1167380656 has 20 divisors (see below), whose sum is σ = 2435785072. Its totient is φ = 538790976.

The previous prime is 1167380629. The next prime is 1167380657. The reversal of 1167380656 is 6560837611.

It is not an unprimeable number, because it can be changed into a prime (1167380657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805996 + ... + 2806411.

Almost surely, 2^1167380656 is an apocalyptic number.

1167380656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1167380656 is an abundant number, since it is smaller than the sum of its proper divisors (1268404416).

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

1167380656 is a wasteful number, since it uses less digits than its factorization.

1167380656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612428 (or 5612422 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1167380656 is about 34166.9526882337. The cubic root of 1167380656 is about 1052.9413088333.

It can be divided in two parts, 11673 and 80656, that added together give a palindrome (92329).

The spelling of 1167380656 in words is "one billion, one hundred sixty-seven million, three hundred eighty thousand, six hundred fifty-six".