185486868904 has 16 divisors (see below), whose sum is σ = 359006843520. Its totient is φ = 89751710640.

The previous prime is 185486868841. The next prime is 185486868937. The reversal of 185486868904 is 409868684581.

It is a super-2 number, since 2×185486868904² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 185486868904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373965214 + ... + 373965709.

It is an arithmetic number, because the mean of its divisors is an integer number (22437927720).

Almost surely, 2^185486868904 is an apocalyptic number.

It is an amenable number.

185486868904 is a deficient number, since it is larger than the sum of its proper divisors (173519974616).

185486868904 is a wasteful number, since it uses less digits than its factorization.

185486868904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747930960 (or 747930956 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 67.

The spelling of 185486868904 in words is "one hundred eighty-five billion, four hundred eighty-six million, eight hundred sixty-eight thousand, nine hundred four".