1665367160 has 16 divisors (see below), whose sum is σ = 3747076200. Its totient is φ = 666146848.

The previous prime is 1665367159. The next prime is 1665367169. The reversal of 1665367160 is 617635661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665367169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20817050 + ... + 20817129.

Almost surely, 2^1665367160 is an apocalyptic number.

1665367160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1665367160 is an abundant number, since it is smaller than the sum of its proper divisors (2081709040).

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

1665367160 is a wasteful number, since it uses less digits than its factorization.

1665367160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41634190 (or 41634186 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1665367160 is about 40808.9103015506. The cubic root of 1665367160 is about 1185.3228742700.

The spelling of 1665367160 in words is "one billion, six hundred sixty-five million, three hundred sixty-seven thousand, one hundred sixty".