331661675 has 6 divisors (see below), whose sum is σ = 411260508. Its totient is φ = 265329320.

The previous prime is 331661641. The next prime is 331661677. The reversal of 331661675 is 576166133.

It is not a de Polignac number, because 331661675 - 2⁸ = 331661419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331661677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6633209 + ... + 6633258.

It is an arithmetic number, because the mean of its divisors is an integer number (68543418).

Almost surely, 2^331661675 is an apocalyptic number.

331661675 is a deficient number, since it is larger than the sum of its proper divisors (79598833).

331661675 is a wasteful number, since it uses less digits than its factorization.

331661675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266477 (or 13266472 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 331661675 is about 18211.5807935500. The cubic root of 331661675 is about 692.2002682244.

The spelling of 331661675 in words is "three hundred thirty-one million, six hundred sixty-one thousand, six hundred seventy-five".