165061490 has 32 divisors (see below), whose sum is σ = 332035200. Its totient is φ = 58556800.

The previous prime is 165061487. The next prime is 165061529. The reversal of 165061490 is 94160561.

It is a super-3 number, since 3×165061490³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13790 + ... + 22809.

It is an arithmetic number, because the mean of its divisors is an integer number (10376100).

Almost surely, 2^165061490 is an apocalyptic number.

165061490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165061490 is an abundant number, since it is smaller than the sum of its proper divisors (166973710).

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

165061490 is a wasteful number, since it uses less digits than its factorization.

165061490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36658.

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

The square root of 165061490 is about 12847.6258507165. The cubic root of 165061490 is about 548.5487802672.

The spelling of 165061490 in words is "one hundred sixty-five million, sixty-one thousand, four hundred ninety".