16765732808 has 32 divisors (see below), whose sum is σ = 34299072000. Its totient is φ = 7619559360.

The previous prime is 16765732807. The next prime is 16765732847. The reversal of 16765732808 is 80823756761.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16765732808.

It is not an unprimeable number, because it can be changed into a prime (16765732807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748313 + ... + 770391.

It is an arithmetic number, because the mean of its divisors is an integer number (1071846000).

Almost surely, 2^16765732808 is an apocalyptic number.

It is an amenable number.

16765732808 is an abundant number, since it is smaller than the sum of its proper divisors (17533339192).

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

16765732808 is a wasteful number, since it uses less digits than its factorization.

16765732808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30725 (or 30721 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 16765732808 in words is "sixteen billion, seven hundred sixty-five million, seven hundred thirty-two thousand, eight hundred eight".