1164566500 has 24 divisors (see below), whose sum is σ = 2543414328. Its totient is φ = 465826400.

The previous prime is 1164566483. The next prime is 1164566531. The reversal of 1164566500 is 56654611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15492096 + 1149074404 = 3936^2 + 33898^2 .

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, 1164067 + ... + 1165066.

It is an arithmetic number, because the mean of its divisors is an integer number (105975597).

Almost surely, 2^1164566500 is an apocalyptic number.

1164566500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1164566500 is an abundant number, since it is smaller than the sum of its proper divisors (1378847828).

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

1164566500 is a wasteful number, since it uses less digits than its factorization.

1164566500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329152 (or 2329140 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1164566500 is about 34125.7454131042. The cubic root of 1164566500 is about 1052.0945340985.

The spelling of 1164566500 in words is "one billion, one hundred sixty-four million, five hundred sixty-six thousand, five hundred".