165363020 has 12 divisors (see below), whose sum is σ = 347262384. Its totient is φ = 66145200.

The previous prime is 165363013. The next prime is 165363059. The reversal of 165363020 is 20363561.

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, 4134056 + ... + 4134095.

It is an arithmetic number, because the mean of its divisors is an integer number (28938532).

Almost surely, 2^165363020 is an apocalyptic number.

165363020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165363020 is an abundant number, since it is smaller than the sum of its proper divisors (181899364).

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

165363020 is a wasteful number, since it uses less digits than its factorization.

165363020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268160 (or 8268158 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 165363020 is about 12859.3553493167. The cubic root of 165363020 is about 548.8826019181.

The spelling of 165363020 in words is "one hundred sixty-five million, three hundred sixty-three thousand, twenty".