186849453164 has 24 divisors (see below), whose sum is σ = 372221837568. Its totient is φ = 81238892240.

The previous prime is 186849453143. The next prime is 186849453181. The reversal of 186849453164 is 461354948681.

It is a happy number.

It is a super-2 number, since 2×186849453164² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92315912 + ... + 92317935.

It is an arithmetic number, because the mean of its divisors is an integer number (15509243232).

Almost surely, 2^186849453164 is an apocalyptic number.

It is an amenable number.

186849453164 is a deficient number, since it is larger than the sum of its proper divisors (185372384404).

186849453164 is a wasteful number, since it uses less digits than its factorization.

186849453164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184633885 (or 184633883 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 186849453164 in words is "one hundred eighty-six billion, eight hundred forty-nine million, four hundred fifty-three thousand, one hundred sixty-four".