366663870840 has 64 divisors (see below), whose sum is σ = 1126820691360. Its totient is φ = 95392225280.

The previous prime is 366663870817. The next prime is 366663870857. The reversal of 366663870840 is 48078366663.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37257669 + ... + 37267508.

Almost surely, 2^366663870840 is an apocalyptic number.

366663870840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

366663870840 is an abundant number, since it is smaller than the sum of its proper divisors (760156820520).

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

366663870840 is a wasteful number, since it uses less digits than its factorization.

366663870840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74525232 (or 74525228 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 366663870840 in words is "three hundred sixty-six billion, six hundred sixty-three million, eight hundred seventy thousand, eight hundred forty".