1365860166 has 32 divisors (see below), whose sum is σ = 2985120000. Its totient is φ = 413194080.

The previous prime is 1365860159. The next prime is 1365860179. The reversal of 1365860166 is 6610685631.

It is a congruent number.

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, 22260 + ... + 56808.

It is an arithmetic number, because the mean of its divisors is an integer number (93285000).

Almost surely, 2^1365860166 is an apocalyptic number.

1365860166 is an abundant number, since it is smaller than the sum of its proper divisors (1619259834).

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

1365860166 is a wasteful number, since it uses less digits than its factorization.

1365860166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35164.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1365860166 is about 36957.5454542100. The cubic root of 1365860166 is about 1109.5207102093.

The spelling of 1365860166 in words is "one billion, three hundred sixty-five million, eight hundred sixty thousand, one hundred sixty-six".