165486930 has 32 divisors (see below), whose sum is σ = 453907584. Its totient is φ = 37825536.

The previous prime is 165486913. The next prime is 165486931. The reversal of 165486930 is 39684561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (165486931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393807 + ... + 394226.

It is an arithmetic number, because the mean of its divisors is an integer number (14184612).

Almost surely, 2^165486930 is an apocalyptic number.

165486930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165486930 is an abundant number, since it is smaller than the sum of its proper divisors (288420654).

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

165486930 is a wasteful number, since it uses less digits than its factorization.

165486930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788050.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 165486930 is about 12864.1723402635. The cubic root of 165486930 is about 549.0196641276.

The spelling of 165486930 in words is "one hundred sixty-five million, four hundred eighty-six thousand, nine hundred thirty".