662034994432 has 72 divisors (see below), whose sum is σ = 1510863480000. Its totient is φ = 283617288192.

The previous prime is 662034994409. The next prime is 662034994447. The reversal of 662034994432 is 234499430266.

It is a self number, because there is not a number n which added to its sum of digits gives 662034994432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4549944 + ... + 4693192.

It is an arithmetic number, because the mean of its divisors is an integer number (20984215000).

Almost surely, 2^662034994432 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 662034994432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755431740000).

662034994432 is an abundant number, since it is smaller than the sum of its proper divisors (848828485568).

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

662034994432 is a wasteful number, since it uses less digits than its factorization.

662034994432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145851 (or 145837 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 662034994432 in words is "six hundred sixty-two billion, thirty-four million, nine hundred ninety-four thousand, four hundred thirty-two".