816258764032 has 36 divisors (see below), whose sum is σ = 1681888034176. Its totient is φ = 394963914240.

The previous prime is 816258764023. The next prime is 816258764059. The reversal of 816258764032 is 230467852618.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51419658 + ... + 51435529.

Almost surely, 2^816258764032 is an apocalyptic number.

It is an amenable number.

816258764032 is an abundant number, since it is smaller than the sum of its proper divisors (865629270144).

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

816258764032 is a wasteful number, since it uses less digits than its factorization.

816258764032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102855234 (or 102855220 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 816258764032 in words is "eight hundred sixteen billion, two hundred fifty-eight million, seven hundred sixty-four thousand, thirty-two".