1164005656 has 16 divisors (see below), whose sum is σ = 2380920840. Its totient is φ = 529093440.

The previous prime is 1164005603. The next prime is 1164005677. The reversal of 1164005656 is 6565004611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6613581 + ... + 6613756.

Almost surely, 2^1164005656 is an apocalyptic number.

It is an amenable number.

1164005656 is an abundant number, since it is smaller than the sum of its proper divisors (1216915184).

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

1164005656 is a wasteful number, since it uses less digits than its factorization.

1164005656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13227354 (or 13227350 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1164005656 is about 34117.5271085112. The cubic root of 1164005656 is about 1051.9256141171.

The spelling of 1164005656 in words is "one billion, one hundred sixty-four million, five thousand, six hundred fifty-six".