16265165613 has 16 divisors (see below), whose sum is σ = 21833542080. Its totient is φ = 10770258816.

The previous prime is 16265165611. The next prime is 16265165629. The reversal of 16265165613 is 31656156261.

It is not a de Polignac number, because 16265165613 - 2¹ = 16265165611 is a prime.

It is a super-2 number, since 2×16265165613² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16265165611) 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, 453681 + ... + 488217.

It is an arithmetic number, because the mean of its divisors is an integer number (1364596380).

Almost surely, 2^16265165613 is an apocalyptic number.

It is an amenable number.

16265165613 is a deficient number, since it is larger than the sum of its proper divisors (5568376467).

16265165613 is a wasteful number, since it uses less digits than its factorization.

16265165613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35596.

The product of its digits is 194400, while the sum is 42.

The spelling of 16265165613 in words is "sixteen billion, two hundred sixty-five million, one hundred sixty-five thousand, six hundred thirteen".