186680364 has 48 divisors (see below), whose sum is σ = 469986048. Its totient is φ = 57331008.

The previous prime is 186680327. The next prime is 186680401. The reversal of 186680364 is 463086681.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (186680327) and next prime (186680401).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128289 + ... + 129735.

It is an arithmetic number, because the mean of its divisors is an integer number (9791376).

Almost surely, 2^186680364 is an apocalyptic number.

It is an amenable number.

186680364 is an abundant number, since it is smaller than the sum of its proper divisors (283305684).

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

186680364 is a wasteful number, since it uses less digits than its factorization.

186680364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2292 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 186680364 is about 13663.1022831566. The cubic root of 186680364 is about 571.5219039574.

The spelling of 186680364 in words is "one hundred eighty-six million, six hundred eighty thousand, three hundred sixty-four".