1163331564 has 24 divisors (see below), whose sum is σ = 2748802560. Its totient is φ = 382868304.

The previous prime is 1163331553. The next prime is 1163331593. The reversal of 1163331564 is 4651333611.

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, 612624 + ... + 614519.

It is an arithmetic number, because the mean of its divisors is an integer number (114533440).

Almost surely, 2^1163331564 is an apocalyptic number.

It is an amenable number.

1163331564 is an abundant number, since it is smaller than the sum of its proper divisors (1585470996).

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

1163331564 is a wasteful number, since it uses less digits than its factorization.

1163331564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227229 (or 1227227 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 1163331564 is about 34107.6467086195. The cubic root of 1163331564 is about 1051.7225132805.

The spelling of 1163331564 in words is "one billion, one hundred sixty-three million, three hundred thirty-one thousand, five hundred sixty-four".