1164001564 has 24 divisors (see below), whose sum is σ = 2223543168. Its totient is φ = 528768240.

The previous prime is 1164001561. The next prime is 1164001591. The reversal of 1164001564 is 4651004611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164001561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 74107 + ... + 88429.

It is an arithmetic number, because the mean of its divisors is an integer number (92647632).

Almost surely, 2^1164001564 is an apocalyptic number.

It is an amenable number.

1164001564 is a deficient number, since it is larger than the sum of its proper divisors (1059541604).

1164001564 is a wasteful number, since it uses less digits than its factorization.

1164001564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185 (or 16183 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1164001564 is about 34117.4671392822. The cubic root of 1164001564 is about 1051.9243814528.

The spelling of 1164001564 in words is "one billion, one hundred sixty-four million, one thousand, five hundred sixty-four".