662980889760 has 864 divisors, whose sum is σ = 2590374572352. Its totient is φ = 142086389760.

The previous prime is 662980889759. The next prime is 662980889789. The reversal of 662980889760 is 67988089266.

It is a super-2 number, since 2×662980889760² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 959451015 + ... + 959451705.

It is an arithmetic number, because the mean of its divisors is an integer number (2998118718).

Almost surely, 2^662980889760 is an apocalyptic number.

662980889760 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 662980889760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295187286176).

662980889760 is an abundant number, since it is smaller than the sum of its proper divisors (1927393682592).

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

662980889760 is a wasteful number, since it uses less digits than its factorization.

662980889760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 662980889760 in words is "six hundred sixty-two billion, nine hundred eighty million, eight hundred eighty-nine thousand, seven hundred sixty".