1164161512 has 8 divisors (see below), whose sum is σ = 2182802850. Its totient is φ = 582080752.

The previous prime is 1164161501. The next prime is 1164161527. The reversal of 1164161512 is 2151614611.

It can be written as a sum of positive squares in only one way, i.e., 933546916 + 230614596 = 30554^2 + 15186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1164161512² = 2710544052044252288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72760087 + ... + 72760102.

Almost surely, 2^1164161512 is an apocalyptic number.

It is an amenable number.

1164161512 is a deficient number, since it is larger than the sum of its proper divisors (1018641338).

1164161512 is a wasteful number, since it uses less digits than its factorization.

1164161512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145520195 (or 145520191 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 1164161512 is about 34119.8111366402. The cubic root of 1164161512 is about 1051.9725616557.

It can be divided in two parts, 11641 and 61512, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 1164161512 in words is "one billion, one hundred sixty-four million, one hundred sixty-one thousand, five hundred twelve".