662766858883152 has 2560 divisors, whose sum is σ = 2296087326720000. Its totient is φ = 183752677785600.

The previous prime is 662766858883139. The next prime is 662766858883183. The reversal of 662766858883152 is 251388858667266.

662766858883152 is a `hidden beast` number, since 6 + 6 + 27 + 6 + 6 + 8 + 588 + 8 + 3 + 1 + 5 + 2 = 666.

It is a Smith number, since the sum of its digits (81) 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 (81).

Its product of digits (11147673600) is a multiple of the sum of its prime divisors (525).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 2750069953752 + ... + 2750069953992.

It is an arithmetic number, because the mean of its divisors is an integer number (896909112000).

Almost surely, 2^{662766858883152} 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 662766858883152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148043663360000).

662766858883152 is an abundant number, since it is smaller than the sum of its proper divisors (1633320467836848).

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

662766858883152 is a wasteful number, since it uses less digits than its factorization.

662766858883152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 525 counting only the distinct ones).

The product of its digits is 11147673600, while the sum is 81.

The spelling of 662766858883152 in words is "six hundred sixty-two trillion, seven hundred sixty-six billion, eight hundred fifty-eight million, eight hundred eighty-three thousand, one hundred fifty-two".