1164005660 has 24 divisors (see below), whose sum is σ = 2484486816. Its totient is φ = 457968960.

The previous prime is 1164005603. The next prime is 1164005677. The reversal of 1164005660 is 665004611.

It is a congruent number.

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, 475832 + ... + 478271.

It is an arithmetic number, because the mean of its divisors is an integer number (103520284).

Almost surely, 2^1164005660 is an apocalyptic number.

1164005660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1164005660 is an abundant number, since it is smaller than the sum of its proper divisors (1320481156).

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

1164005660 is a wasteful number, since it uses less digits than its factorization.

1164005660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954173 (or 954171 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1164005660 is about 34117.5271671321. The cubic root of 1164005660 is about 1051.9256153220.

The spelling of 1164005660 in words is "one billion, one hundred sixty-four million, five thousand, six hundred sixty".