331061266648 has 32 divisors (see below), whose sum is σ = 746754739200. Its totient is φ = 134415852192.

The previous prime is 331061266583. The next prime is 331061266649. The reversal of 331061266648 is 846662160133.

It is a junction number, because it is equal to n+sod(n) for n = 331061266598 and 331061266607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331061266649) 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, 155572840 + ... + 155574967.

It is an arithmetic number, because the mean of its divisors is an integer number (23336085600).

Almost surely, 2^331061266648 is an apocalyptic number.

331061266648 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

331061266648 is an abundant number, since it is smaller than the sum of its proper divisors (415693472552).

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

331061266648 is a wasteful number, since it uses less digits than its factorization.

331061266648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311147839 (or 311147835 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 331061266648 in words is "three hundred thirty-one billion, sixty-one million, two hundred sixty-six thousand, six hundred forty-eight".