1156464172 has 12 divisors (see below), whose sum is σ = 2035511856. Its totient is φ = 574889360.

The previous prime is 1156464161. The next prime is 1156464191. The reversal of 1156464172 is 2714646511.

It is a super-2 number, since 2×1156464172² = 2674818762239291168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834904 + ... + 836287.

It is an arithmetic number, because the mean of its divisors is an integer number (169625988).

Almost surely, 2^1156464172 is an apocalyptic number.

It is an amenable number.

1156464172 is a deficient number, since it is larger than the sum of its proper divisors (879047684).

1156464172 is a wasteful number, since it uses less digits than its factorization.

1156464172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671368 (or 1671366 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 1156464172 is about 34006.8253737393. The cubic root of 1156464172 is about 1049.6489142163.

The spelling of 1156464172 in words is "one billion, one hundred fifty-six million, four hundred sixty-four thousand, one hundred seventy-two".