331606686426 has 16 divisors (see below), whose sum is σ = 663223572000. Its totient is φ = 110533862288.

The previous prime is 331606686269. The next prime is 331606686431. The reversal of 331606686426 is 624686606133.

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, 36205 + ... + 815183.

It is an arithmetic number, because the mean of its divisors is an integer number (41451473250).

Almost surely, 2^331606686426 is an apocalyptic number.

331606686426 is an abundant number, since it is smaller than the sum of its proper divisors (331616885574).

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

331606686426 is a wasteful number, since it uses less digits than its factorization.

331606686426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849933.

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 331606686426 in words is "three hundred thirty-one billion, six hundred six million, six hundred eighty-six thousand, four hundred twenty-six".