1168158864 has 40 divisors (see below), whose sum is σ = 3115094272. Its totient is φ = 376824960.

The previous prime is 1168158851. The next prime is 1168158907. The reversal of 1168158864 is 4688518611.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 391039 + ... + 394014.

Almost surely, 2^1168158864 is an apocalyptic number.

It is an amenable number.

1168158864 is an abundant number, since it is smaller than the sum of its proper divisors (1946935408).

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

1168158864 is a wasteful number, since it uses less digits than its factorization.

1168158864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785095 (or 785089 counting only the distinct ones).

The product of its digits is 368640, while the sum is 48.

The square root of 1168158864 is about 34178.3391053457. The cubic root of 1168158864 is about 1053.1752300579.

The spelling of 1168158864 in words is "one billion, one hundred sixty-eight million, one hundred fifty-eight thousand, eight hundred sixty-four".