2655338961 has 16 divisors (see below), whose sum is σ = 3883658688. Its totient is φ = 1600401600.

The previous prime is 2655338951. The next prime is 2655338971. The reversal of 2655338961 is 1698335562.

It is an interprime number because it is at equal distance from previous prime (2655338951) and next prime (2655338971).

It is not a de Polignac number, because 2655338961 - 2³⁰ = 1581597137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2655338961.

It is not an unprimeable number, because it can be changed into a prime (2655338951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216306 + ... + 228251.

It is an arithmetic number, because the mean of its divisors is an integer number (242728668).

Almost surely, 2^2655338961 is an apocalyptic number.

It is an amenable number.

2655338961 is a deficient number, since it is larger than the sum of its proper divisors (1228319727).

2655338961 is a wasteful number, since it uses less digits than its factorization.

2655338961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444752.

The product of its digits is 1166400, while the sum is 48.

The square root of 2655338961 is about 51529.9811857136. The cubic root of 2655338961 is about 1384.7562137003.

The spelling of 2655338961 in words is "two billion, six hundred fifty-five million, three hundred thirty-eight thousand, nine hundred sixty-one".