165045560 has 16 divisors (see below), whose sum is σ = 371352600. Its totient is φ = 66018208.

The previous prime is 165045557. The next prime is 165045577. The reversal of 165045560 is 65540561.

165045560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063030 + ... + 2063109.

Almost surely, 2^165045560 is an apocalyptic number.

165045560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165045560 is an abundant number, since it is smaller than the sum of its proper divisors (206307040).

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

165045560 is a wasteful number, since it uses less digits than its factorization.

165045560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126150 (or 4126146 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 165045560 is about 12847.0058768571. The cubic root of 165045560 is about 548.5311329787.

The spelling of 165045560 in words is "one hundred sixty-five million, forty-five thousand, five hundred sixty".