2664120564155 has 16 divisors (see below), whose sum is σ = 3215811207168. Its totient is φ = 2118733548000.

The previous prime is 2664120564097. The next prime is 2664120564163. The reversal of 2664120564155 is 5514650214662.

It is not a de Polignac number, because 2664120564155 - 2²⁰ = 2664119515579 is a prime.

It is a Duffinian 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, 519890 + ... + 2366120.

It is an arithmetic number, because the mean of its divisors is an integer number (200988200448).

Almost surely, 2^{2664120564155} is an apocalyptic number.

2664120564155 is a deficient number, since it is larger than the sum of its proper divisors (551690643013).

2664120564155 is a wasteful number, since it uses less digits than its factorization.

2664120564155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847938.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 2664120564155 in words is "two trillion, six hundred sixty-four billion, one hundred twenty million, five hundred sixty-four thousand, one hundred fifty-five".