186990529494604 has 12 divisors (see below), whose sum is σ = 356981919944328. Its totient is φ = 84995695224800.

The previous prime is 186990529494553. The next prime is 186990529494673. The reversal of 186990529494604 is 406494925099681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124892380577 + ... + 2124892380664.

It is an arithmetic number, because the mean of its divisors is an integer number (29748493328694).

Almost surely, 2^{186990529494604} is an apocalyptic number.

It is an amenable number.

186990529494604 is a deficient number, since it is larger than the sum of its proper divisors (169991390449724).

186990529494604 is a wasteful number, since it uses less digits than its factorization.

186990529494604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249784761256 (or 4249784761254 counting only the distinct ones).

The product of its (nonzero) digits is 1209323520, while the sum is 76.

The spelling of 186990529494604 in words is "one hundred eighty-six trillion, nine hundred ninety billion, five hundred twenty-nine million, four hundred ninety-four thousand, six hundred four".