2656616231 has 16 divisors (see below), whose sum is σ = 2846534400. Its totient is φ = 2470540800.

The previous prime is 2656616227. The next prime is 2656616251. The reversal of 2656616231 is 1326166562.

It is a happy number.

It is not a de Polignac number, because 2656616231 - 2² = 2656616227 is a prime.

It is a super-2 number, since 2×2656616231² = 14115219597625290722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656616251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040945 + ... + 1043493.

It is an arithmetic number, because the mean of its divisors is an integer number (177908400).

Almost surely, 2^2656616231 is an apocalyptic number.

2656616231 is a deficient number, since it is larger than the sum of its proper divisors (189918169).

2656616231 is a wasteful number, since it uses less digits than its factorization.

2656616231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274.

The product of its digits is 77760, while the sum is 38.

The square root of 2656616231 is about 51542.3731603425. The cubic root of 2656616231 is about 1384.9782097212.

The spelling of 2656616231 in words is "two billion, six hundred fifty-six million, six hundred sixteen thousand, two hundred thirty-one".