2655165142639 has 32 divisors (see below), whose sum is σ = 2753939865600. Its totient is φ = 2558365296480.

The previous prime is 2655165142633. The next prime is 2655165142649. The reversal of 2655165142639 is 9362415615562.

It is not a de Polignac number, because 2655165142639 - 2³ = 2655165142631 is a prime.

It is a super-4 number, since 4×2655165142639⁴ (a number of 51 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655165142639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655165142631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677508922 + ... + 677512840.

It is an arithmetic number, because the mean of its divisors is an integer number (86060620800).

Almost surely, 2^{2655165142639} is an apocalyptic number.

2655165142639 is a deficient number, since it is larger than the sum of its proper divisors (98774722961).

2655165142639 is a wasteful number, since it uses less digits than its factorization.

2655165142639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795.

The product of its digits is 11664000, while the sum is 55.

The spelling of 2655165142639 in words is "two trillion, six hundred fifty-five billion, one hundred sixty-five million, one hundred forty-two thousand, six hundred thirty-nine".