16252756496 has 20 divisors (see below), whose sum is σ = 31504684092. Its totient is φ = 8122515456.

The previous prime is 16252756489. The next prime is 16252756523. The reversal of 16252756496 is 69465725261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2963278096 + 13289478400 = 54436^2 + 115280^2 .

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, 206561 + ... + 274176.

Almost surely, 2^16252756496 is an apocalyptic number.

16252756496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16252756496 is a deficient number, since it is larger than the sum of its proper divisors (15251927596).

16252756496 is a wasteful number, since it uses less digits than its factorization.

16252756496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482858 (or 482852 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 53.

The spelling of 16252756496 in words is "sixteen billion, two hundred fifty-two million, seven hundred fifty-six thousand, four hundred ninety-six".