1164520530 has 64 divisors (see below), whose sum is σ = 3109622400. Its totient is φ = 310115520.

The previous prime is 1164520523. The next prime is 1164520543. The reversal of 1164520530 is 350254611.

1164520530 is a `hidden beast` number, since 11 + 645 + 2 + 0 + 5 + 3 + 0 = 666.

It is a super-2 number, since 2×1164520530² = 2712216129582961800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1164520494 and 1164520503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229420 + ... + 234440.

It is an arithmetic number, because the mean of its divisors is an integer number (48587850).

Almost surely, 2^1164520530 is an apocalyptic number.

1164520530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1164520530 is an abundant number, since it is smaller than the sum of its proper divisors (1945101870).

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

1164520530 is a wasteful number, since it uses less digits than its factorization.

1164520530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1164520530 is about 34125.0718680562. The cubic root of 1164520530 is about 1052.0806904860.

The spelling of 1164520530 in words is "one billion, one hundred sixty-four million, five hundred twenty thousand, five hundred thirty".