2656471916 has 12 divisors (see below), whose sum is σ = 5312943888. Its totient is φ = 1138487952.

The previous prime is 2656471907. The next prime is 2656471967. The reversal of 2656471916 is 6191746562.

2656471916 is an admirable number.

It is a super-2 number, since 2×2656471916² = 14113686080993422112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47436971 + ... + 47437026.

It is an arithmetic number, because the mean of its divisors is an integer number (442745324).

Almost surely, 2^2656471916 is an apocalyptic number.

It is an amenable number.

2656471916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2656471916 is a wasteful number, since it uses less digits than its factorization.

2656471916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94874008 (or 94874006 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 2656471916 is about 51540.9731766873. The cubic root of 2656471916 is about 1384.9531306064.

The spelling of 2656471916 in words is "two billion, six hundred fifty-six million, four hundred seventy-one thousand, nine hundred sixteen".