1166405160 has 32 divisors (see below), whose sum is σ = 3499215840. Its totient is φ = 311041344.

The previous prime is 1166405153. The next prime is 1166405171. The reversal of 1166405160 is 615046611.

1166405160 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4859902 + ... + 4860141.

It is an arithmetic number, because the mean of its divisors is an integer number (109350495).

Almost surely, 2^1166405160 is an apocalyptic number.

1166405160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166405160 is an abundant number, since it is smaller than the sum of its proper divisors (2332810680).

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

1166405160 is a wasteful number, since it uses less digits than its factorization.

1166405160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720057 (or 9720053 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1166405160 is about 34152.6742730346. The cubic root of 1166405160 is about 1052.6479380107.

The spelling of 1166405160 in words is "one billion, one hundred sixty-six million, four hundred five thousand, one hundred sixty".