1163155364 has 12 divisors (see below), whose sum is σ = 2326310784. Its totient is φ = 498495144.

The previous prime is 1163155321. The next prime is 1163155387. The reversal of 1163155364 is 4635513611.

1163155364 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 20770604 + ... + 20770659.

It is an arithmetic number, because the mean of its divisors is an integer number (193859232).

Almost surely, 2^1163155364 is an apocalyptic number.

1163155364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1163155364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1163155364 is a wasteful number, since it uses less digits than its factorization.

1163155364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41541274 (or 41541272 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 1163155364 is about 34105.0636123142. The cubic root of 1163155364 is about 1051.6694120927.

Adding to 1163155364 its reverse (4635513611), we get a palindrome (5798668975).

The spelling of 1163155364 in words is "one billion, one hundred sixty-three million, one hundred fifty-five thousand, three hundred sixty-four".