331661483998 has 16 divisors (see below), whose sum is σ = 536556965616. Its totient is φ = 152847072000.

The previous prime is 331661483987. The next prime is 331661483999. The reversal of 331661483998 is 899384166133.

It is a super-2 number, since 2×331661483998² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331661483999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9459628 + ... + 9494623.

It is an arithmetic number, because the mean of its divisors is an integer number (33534810351).

Almost surely, 2^331661483998 is an apocalyptic number.

331661483998 is a deficient number, since it is larger than the sum of its proper divisors (204895481618).

331661483998 is a wasteful number, since it uses less digits than its factorization.

331661483998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954939.

The product of its digits is 20155392, while the sum is 61.

The spelling of 331661483998 in words is "three hundred thirty-one billion, six hundred sixty-one million, four hundred eighty-three thousand, nine hundred ninety-eight".