185116845885 has 8 divisors (see below), whose sum is σ = 296186953440. Its totient is φ = 98728984464.

The previous prime is 185116845871. The next prime is 185116845887. The reversal of 185116845885 is 588548611581.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 185116845885 - 2⁸ = 185116845629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185116845887) 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, 6170561515 + ... + 6170561544.

It is an arithmetic number, because the mean of its divisors is an integer number (37023369180).

Almost surely, 2^185116845885 is an apocalyptic number.

185116845885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

185116845885 is a deficient number, since it is larger than the sum of its proper divisors (111070107555).

185116845885 is a wasteful number, since it uses less digits than its factorization.

185116845885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341123067.

The product of its digits is 12288000, while the sum is 60.

The spelling of 185116845885 in words is "one hundred eighty-five billion, one hundred sixteen million, eight hundred forty-five thousand, eight hundred eighty-five".