3918630623165 has 16 divisors (see below), whose sum is σ = 4716518139840. Its totient is φ = 3125464392960.

The previous prime is 3918630623153. The next prime is 3918630623179. The reversal of 3918630623165 is 5613260368193.

It is not a de Polignac number, because 3918630623165 - 2¹⁰ = 3918630622141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57139466 + ... + 57208004.

It is an arithmetic number, because the mean of its divisors is an integer number (294782383740).

Almost surely, 2^{3918630623165} is an apocalyptic number.

It is an amenable number.

3918630623165 is a deficient number, since it is larger than the sum of its proper divisors (797887516675).

3918630623165 is a wasteful number, since it uses less digits than its factorization.

3918630623165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102812.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 3918630623165 in words is "three trillion, nine hundred eighteen billion, six hundred thirty million, six hundred twenty-three thousand, one hundred sixty-five".