366161668 has 6 divisors (see below), whose sum is σ = 640782926. Its totient is φ = 183080832.

The previous prime is 366161659. The next prime is 366161671. The reversal of 366161668 is 866161663.

It can be written as a sum of positive squares in only one way, i.e., 237838084 + 128323584 = 15422^2 + 11328^2 .

It is a super-2 number, since 2×366161668² = 268148734225084448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45770205 + ... + 45770212.

Almost surely, 2^366161668 is an apocalyptic number.

It is an amenable number.

366161668 is a deficient number, since it is larger than the sum of its proper divisors (274621258).

366161668 is a wasteful number, since it uses less digits than its factorization.

366161668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91540421 (or 91540419 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 366161668 is about 19135.3512640871. The cubic root of 366161668 is about 715.4143151089.

The spelling of 366161668 in words is "three hundred sixty-six million, one hundred sixty-one thousand, six hundred sixty-eight".