2655774380169 has 12 divisors (see below), whose sum is σ = 3836145836016. Its totient is φ = 1770503659512.

The previous prime is 2655774380111. The next prime is 2655774380179. The reversal of 2655774380169 is 9610834775562.

2655774380169 is a `hidden beast` number, since 2 + 6 + 5 + 577 + 43 + 8 + 0 + 16 + 9 = 666.

It is not a de Polignac number, because 2655774380169 - 2²⁰ = 2655773331593 is a prime.

It is a super-2 number, since 2×2655774380169² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2655774380179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389974 + ... + 2337440.

It is an arithmetic number, because the mean of its divisors is an integer number (319678819668).

It is a 1-persistent number, because it is pandigital, but 2⋅2655774380169 = 5311548760338 is not.

Almost surely, 2^{2655774380169} is an apocalyptic number.

It is an amenable number.

2655774380169 is a deficient number, since it is larger than the sum of its proper divisors (1180371455847).

2655774380169 is a wasteful number, since it uses less digits than its factorization.

2655774380169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098996 (or 2098993 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 63.

The spelling of 2655774380169 in words is "two trillion, six hundred fifty-five billion, seven hundred seventy-four million, three hundred eighty thousand, one hundred sixty-nine".