331016426646 has 8 divisors (see below), whose sum is σ = 662032853304. Its totient is φ = 110338808880.

The previous prime is 331016426641. The next prime is 331016426683. The reversal of 331016426646 is 646624610133.

It is a sphenic number, since it is the product of 3 distinct primes.

331016426646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 331016426598 and 331016426607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331016426641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27584702215 + ... + 27584702226.

It is an arithmetic number, because the mean of its divisors is an integer number (82754106663).

Almost surely, 2^331016426646 is an apocalyptic number.

331016426646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331016426646 is a wasteful number, since it uses less digits than its factorization.

331016426646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55169404446.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 331016426646 in words is "three hundred thirty-one billion, sixteen million, four hundred twenty-six thousand, six hundred forty-six".