16537812692 has 6 divisors (see below), whose sum is σ = 28941172218. Its totient is φ = 8268906344.

The previous prime is 16537812677. The next prime is 16537812701. The reversal of 16537812692 is 29621873561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16016421136 + 521391556 = 126556^2 + 22834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16537812692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067226583 + ... + 2067226590.

It is an arithmetic number, because the mean of its divisors is an integer number (4823528703).

Almost surely, 2^16537812692 is an apocalyptic number.

It is an amenable number.

16537812692 is a deficient number, since it is larger than the sum of its proper divisors (12403359526).

16537812692 is a wasteful number, since it uses less digits than its factorization.

16537812692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134453177 (or 4134453175 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 16537812692 in words is "sixteen billion, five hundred thirty-seven million, eight hundred twelve thousand, six hundred ninety-two".