331648640670 has 16 divisors (see below), whose sum is σ = 795956737680. Its totient is φ = 88439637504.

The previous prime is 331648640651. The next prime is 331648640689. The reversal of 331648640670 is 76046846133.

It is an interprime number because it is at equal distance from previous prime (331648640651) and next prime (331648640689).

It is a congruent number.

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, 5527477315 + ... + 5527477374.

It is an arithmetic number, because the mean of its divisors is an integer number (49747296105).

Almost surely, 2^331648640670 is an apocalyptic number.

331648640670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331648640670 is an abundant number, since it is smaller than the sum of its proper divisors (464308097010).

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

331648640670 is a wasteful number, since it uses less digits than its factorization.

331648640670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054954699.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 331648640670 in words is "three hundred thirty-one billion, six hundred forty-eight million, six hundred forty thousand, six hundred seventy".