165133480 has 32 divisors (see below), whose sum is σ = 376034400. Its totient is φ = 65256256.

The previous prime is 165133471. The next prime is 165133499. The reversal of 165133480 is 84331561.

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, 21550 + ... + 28189.

It is an arithmetic number, because the mean of its divisors is an integer number (11751075).

Almost surely, 2^165133480 is an apocalyptic number.

165133480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165133480 is an abundant number, since it is smaller than the sum of its proper divisors (210900920).

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

165133480 is a wasteful number, since it uses less digits than its factorization.

165133480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49833 (or 49829 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 165133480 is about 12850.4272302519. The cubic root of 165133480 is about 548.6285167884.

The spelling of 165133480 in words is "one hundred sixty-five million, one hundred thirty-three thousand, four hundred eighty".