665101146 has 16 divisors (see below), whose sum is σ = 1334039904. Its totient is φ = 221060784.

The previous prime is 665101127. The next prime is 665101153. The reversal of 665101146 is 641101566.

665101146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 157645 + ... + 161808.

It is an arithmetic number, because the mean of its divisors is an integer number (83377494).

Almost surely, 2^665101146 is an apocalyptic number.

665101146 is an abundant number, since it is smaller than the sum of its proper divisors (668938758).

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

665101146 is a wasteful number, since it uses less digits than its factorization.

665101146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319805.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 665101146 is about 25789.5549787118. The cubic root of 665101146 is about 872.8961246464.

The spelling of 665101146 in words is "six hundred sixty-five million, one hundred one thousand, one hundred forty-six".