816068677524 has 12 divisors (see below), whose sum is σ = 1904160247584. Its totient is φ = 272022892504.

The previous prime is 816068677493. The next prime is 816068677561. The reversal of 816068677524 is 425776860618.

It is a tau number, because it is divible by the number of its divisors (12).

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, 34002861552 + ... + 34002861575.

It is an arithmetic number, because the mean of its divisors is an integer number (158680020632).

Almost surely, 2^816068677524 is an apocalyptic number.

It is an amenable number.

816068677524 is an abundant number, since it is smaller than the sum of its proper divisors (1088091570060).

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

816068677524 is a wasteful number, since it uses less digits than its factorization.

816068677524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68005723134 (or 68005723132 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 816068677524 in words is "eight hundred sixteen billion, sixty-eight million, six hundred seventy-seven thousand, five hundred twenty-four".