662044608 has 84 divisors (see below), whose sum is σ = 1903219968. Its totient is φ = 220032000.

The previous prime is 662044601. The next prime is 662044609. The reversal of 662044608 is 806440266.

It is a happy number.

662044608 is a `hidden beast` number, since 6 + 6 + 2 + 0 + 44 + 608 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its 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 (662044601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219108 + ... + 222108.

Almost surely, 2^662044608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662044608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951609984).

662044608 is an abundant number, since it is smaller than the sum of its proper divisors (1241175360).

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

662044608 is a wasteful number, since it uses less digits than its factorization.

662044608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 662044608 is about 25730.2275155118. The cubic root of 662044608 is about 871.5569109350.

The spelling of 662044608 in words is "six hundred sixty-two million, forty-four thousand, six hundred eight".