662006880 has 144 divisors (see below), whose sum is σ = 2266926480. Its totient is φ = 175924224.

The previous prime is 662006819. The next prime is 662006881. The reversal of 662006880 is 88600266.

662006880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662006881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545154 + ... + 546366.

It is an arithmetic number, because the mean of its divisors is an integer number (15742545).

Almost surely, 2^662006880 is an apocalyptic number.

662006880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662006880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133463240).

662006880 is an abundant number, since it is smaller than the sum of its proper divisors (1604919600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662006880 is a wasteful number, since it uses less digits than its factorization.

662006880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 662006880 is about 25729.4943595866. The cubic root of 662006880 is about 871.5403547879.

662006880 divided by its sum of digits (36) gives a triangular number (18389080 = T₆₀₆₄).

The spelling of 662006880 in words is "six hundred sixty-two million, six thousand, eight hundred eighty".