662506764558912 has 5040 divisors, whose sum is σ = 2754850296223872. Its totient is φ = 155693147258880.

The previous prime is 662506764558851. The next prime is 662506764558929. The reversal of 662506764558912 is 219855467605266.

662506764558912 is a `hidden beast` number, since 6 + 6 + 2 + 5 + 0 + 6 + 7 + 64 + 558 + 9 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 2001531010587 + ... + 2001531010917.

Almost surely, 2^{662506764558912} 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 662506764558912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377425148111936).

662506764558912 is an abundant number, since it is smaller than the sum of its proper divisors (2092343531664960).

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

662506764558912 is a wasteful number, since it uses less digits than its factorization.

662506764558912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 1306368000, while the sum is 72.

The spelling of 662506764558912 in words is "six hundred sixty-two trillion, five hundred six billion, seven hundred sixty-four million, five hundred fifty-eight thousand, nine hundred twelve".