2655190791 has 24 divisors (see below), whose sum is σ = 4285990800. Its totient is φ = 1569955200.

The previous prime is 2655190721. The next prime is 2655190793. The reversal of 2655190791 is 1970915562.

2655190791 is a `hidden beast` number, since 2 + 6 + 551 + 9 + 0 + 7 + 91 = 666.

It is not a de Polignac number, because 2655190791 - 2³¹ = 507707143 is a prime.

It is a super-2 number, since 2×2655190791² = 14100076273222411362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655190793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323016 + ... + 331133.

It is an arithmetic number, because the mean of its divisors is an integer number (178582950).

Almost surely, 2^2655190791 is an apocalyptic number.

2655190791 is a deficient number, since it is larger than the sum of its proper divisors (1630800009).

2655190791 is a wasteful number, since it uses less digits than its factorization.

2655190791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654207 (or 654204 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The square root of 2655190791 is about 51528.5434589413. The cubic root of 2655190791 is about 1384.7304563930.

The spelling of 2655190791 in words is "two billion, six hundred fifty-five million, one hundred ninety thousand, seven hundred ninety-one".