331866674 has 4 divisors (see below), whose sum is σ = 497800014. Its totient is φ = 165933336.

The previous prime is 331866659. The next prime is 331866677. The reversal of 331866674 is 476668133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476668133 = 271 ⋅1758923.

It can be written as a sum of positive squares in only one way, i.e., 202066225 + 129800449 = 14215^2 + 11393^2 .

It is a super-2 number, since 2×331866674² = 220270978623644552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331866677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82966667 + ... + 82966670.

Almost surely, 2^331866674 is an apocalyptic number.

331866674 is a deficient number, since it is larger than the sum of its proper divisors (165933340).

331866674 is a wasteful number, since it uses less digits than its factorization.

331866674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165933339.

The product of its digits is 435456, while the sum is 44.

The square root of 331866674 is about 18217.2081834731. The cubic root of 331866674 is about 692.3428544275.

The spelling of 331866674 in words is "three hundred thirty-one million, eight hundred sixty-six thousand, six hundred seventy-four".