16597452813 has 16 divisors (see below), whose sum is σ = 22402215360. Its totient is φ = 10928897024.

The previous prime is 16597452757. The next prime is 16597452821. The reversal of 16597452813 is 31825479561.

It is a cyclic number.

It is not a de Polignac number, because 16597452813 - 2¹⁰ = 16597451789 is a prime.

It is a super-2 number, since 2×16597452813² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16597452913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585645 + ... + 1596077.

It is an arithmetic number, because the mean of its divisors is an integer number (1400138460).

Almost surely, 2^16597452813 is an apocalyptic number.

It is an amenable number.

16597452813 is a deficient number, since it is larger than the sum of its proper divisors (5804762547).

16597452813 is a wasteful number, since it uses less digits than its factorization.

16597452813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16908.

The product of its digits is 1814400, while the sum is 51.

The spelling of 16597452813 in words is "sixteen billion, five hundred ninety-seven million, four hundred fifty-two thousand, eight hundred thirteen".