331663374 has 24 divisors (see below), whose sum is σ = 821262000. Its totient is φ = 94760928.

The previous prime is 331663369. The next prime is 331663393. The reversal of 331663374 is 473366133.

331663374 is a `hidden beast` number, since 3 + 3 + 16 + 633 + 7 + 4 = 666.

It is a super-2 number, since 2×331663374² = 220001187306127752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315999 + ... + 1316250.

It is an arithmetic number, because the mean of its divisors is an integer number (34219250).

Almost surely, 2^331663374 is an apocalyptic number.

331663374 is an abundant number, since it is smaller than the sum of its proper divisors (489598626).

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

331663374 is a wasteful number, since it uses less digits than its factorization.

331663374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632264 (or 2632261 counting only the distinct ones).

The product of its digits is 81648, while the sum is 36.

The square root of 331663374 is about 18211.6274396332. The cubic root of 331663374 is about 692.2014501983.

The spelling of 331663374 in words is "three hundred thirty-one million, six hundred sixty-three thousand, three hundred seventy-four".