165038926413 has 16 divisors (see below), whose sum is σ = 222625247936. Its totient is φ = 108746737920.

The previous prime is 165038926357. The next prime is 165038926417. The reversal of 165038926413 is 314629830561.

It is a de Polignac number, because none of the positive numbers 2^k-165038926413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165038926417) 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, 843820 + ... + 1020837.

It is an arithmetic number, because the mean of its divisors is an integer number (13914077996).

Almost surely, 2^165038926413 is an apocalyptic number.

It is an amenable number.

165038926413 is a deficient number, since it is larger than the sum of its proper divisors (57586321523).

165038926413 is a wasteful number, since it uses less digits than its factorization.

165038926413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865004.

The product of its (nonzero) digits is 933120, while the sum is 48.

It can be divided in two parts, 16 and 5038926413, that multiplied together give a palindrome (80622822608).

The spelling of 165038926413 in words is "one hundred sixty-five billion, thirty-eight million, nine hundred twenty-six thousand, four hundred thirteen".