1159168172 has 12 divisors (see below), whose sum is σ = 2044030296. Its totient is φ = 575159520.

The previous prime is 1159168163. The next prime is 1159168181. The reversal of 1159168172 is 2718619511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1159168163) and next prime (1159168181).

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, 1105553 + ... + 1106600.

It is an arithmetic number, because the mean of its divisors is an integer number (170335858).

Almost surely, 2^1159168172 is an apocalyptic number.

It is an amenable number.

1159168172 is a deficient number, since it is larger than the sum of its proper divisors (884862124).

1159168172 is a wasteful number, since it uses less digits than its factorization.

1159168172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212288 (or 2212286 counting only the distinct ones).

The product of its digits is 30240, while the sum is 41.

The square root of 1159168172 is about 34046.5588863251. The cubic root of 1159168172 is about 1050.4663603322.

The spelling of 1159168172 in words is "one billion, one hundred fifty-nine million, one hundred sixty-eight thousand, one hundred seventy-two".