1163900452 has 72 divisors (see below), whose sum is σ = 2433864888. Its totient is φ = 483732480.

The previous prime is 1163900449. The next prime is 1163900459. The reversal of 1163900452 is 2540093611.

It can be written as a sum of positive squares in 4 ways, for example, as 205750336 + 958150116 = 14344^2 + 30954^2 .

It is not an unprimeable number, because it can be changed into a prime (1163900459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710178 + ... + 711814.

It is an arithmetic number, because the mean of its divisors is an integer number (33803679).

Almost surely, 2^1163900452 is an apocalyptic number.

It is an amenable number.

1163900452 is an abundant number, since it is smaller than the sum of its proper divisors (1269964436).

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

1163900452 is a wasteful number, since it uses less digits than its factorization.

1163900452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1163900452 is about 34115.9852854934. The cubic root of 1163900452 is about 1051.8939217978.

The spelling of 1163900452 in words is "one billion, one hundred sixty-three million, nine hundred thousand, four hundred fifty-two".