186042681164 has 24 divisors (see below), whose sum is σ = 334441448880. Its totient is φ = 90488995776.

The previous prime is 186042681161. The next prime is 186042681179. The reversal of 186042681164 is 461186240681.

It is a super-2 number, since 2×186042681164² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (186042681161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624494 + ... + 872970.

It is an arithmetic number, because the mean of its divisors is an integer number (13935060370).

Almost surely, 2^186042681164 is an apocalyptic number.

It is an amenable number.

186042681164 is a deficient number, since it is larger than the sum of its proper divisors (148398767716).

186042681164 is a wasteful number, since it uses less digits than its factorization.

186042681164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253577 (or 253575 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 186042681164 in words is "one hundred eighty-six billion, forty-two million, six hundred eighty-one thousand, one hundred sixty-four".