1665160160 has 48 divisors (see below), whose sum is σ = 3989375712. Its totient is φ = 656678400.

The previous prime is 1665160157. The next prime is 1665160177. The reversal of 1665160160 is 610615661.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 61931 + ... + 84650.

It is an arithmetic number, because the mean of its divisors is an integer number (83111994).

Almost surely, 2^1665160160 is an apocalyptic number.

1665160160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1665160160 is an abundant number, since it is smaller than the sum of its proper divisors (2324215552).

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

1665160160 is a wasteful number, since it uses less digits than its factorization.

1665160160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146667 (or 146659 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1665160160 is about 40806.3740119114. The cubic root of 1665160160 is about 1185.2737615763.

The spelling of 1665160160 in words is "one billion, six hundred sixty-five million, one hundred sixty thousand, one hundred sixty".