1163564 has 12 divisors (see below), whose sum is σ = 2043888. Its totient is φ = 579600.

The previous prime is 1163557. The next prime is 1163581. The reversal of 1163564 is 4653611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (170324).

2^1163564 is an apocalyptic number.

It is an amenable number.

1163564 is a deficient number, since it is larger than the sum of its proper divisors (880324).

1163564 is a wasteful number, since it uses less digits than its factorization.

1163564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1094 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1163564 is about 1078.6862379765. The cubic root of 1163564 is about 105.1792554045.

The spelling of 1163564 in words is "one million, one hundred sixty-three thousand, five hundred sixty-four".