331661676 has 12 divisors (see below), whose sum is σ = 773877272. Its totient is φ = 110553888.

The previous prime is 331661641. The next prime is 331661677. The reversal of 331661676 is 676166133.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (331661677) 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 3 ways as a sum of consecutive naturals, for example, 13819225 + ... + 13819248.

Almost surely, 2^331661676 is an apocalyptic number.

It is an amenable number.

331661676 is an abundant number, since it is smaller than the sum of its proper divisors (442215596).

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

331661676 is a wasteful number, since it uses less digits than its factorization.

331661676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27638480 (or 27638478 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 331661676 is about 18211.5808210051. The cubic root of 331661676 is about 692.2002689201.

The spelling of 331661676 in words is "three hundred thirty-one million, six hundred sixty-one thousand, six hundred seventy-six".