1166205360 has 80 divisors (see below), whose sum is σ = 3692192256. Its totient is φ = 304368384.

The previous prime is 1166205323. The next prime is 1166205371. The reversal of 1166205360 is 635026611.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 40414 + ... + 62973.

Almost surely, 2^1166205360 is an apocalyptic number.

1166205360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166205360 is an abundant number, since it is smaller than the sum of its proper divisors (2525986896).

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

1166205360 is a wasteful number, since it uses less digits than its factorization.

1166205360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103450 (or 103444 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1166205360 is about 34149.7490473942. The cubic root of 1166205360 is about 1052.5878299467.

The spelling of 1166205360 in words is "one billion, one hundred sixty-six million, two hundred five thousand, three hundred sixty".