2261162056 has 32 divisors (see below), whose sum is σ = 4363208640. Its totient is φ = 1097765568.

The previous prime is 2261161997. The next prime is 2261162069. The reversal of 2261162056 is 6502611622.

It is a super-2 number, since 2×2261162056² = 10225707686988294272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141295 + ... + 156481.

It is an arithmetic number, because the mean of its divisors is an integer number (136350270).

Almost surely, 2^2261162056 is an apocalyptic number.

It is an amenable number.

2261162056 is a deficient number, since it is larger than the sum of its proper divisors (2102046584).

2261162056 is a wasteful number, since it uses less digits than its factorization.

2261162056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733 (or 15729 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2261162056 is about 47551.6777411691. The cubic root of 2261162056 is about 1312.5340023965.

Adding to 2261162056 its reverse (6502611622), we get a palindrome (8763773678).

The spelling of 2261162056 in words is "two billion, two hundred sixty-one million, one hundred sixty-two thousand, fifty-six".