185842091116485 has 24 divisors (see below), whose sum is σ = 323351106084864. Its totient is φ = 98738915831520.

The previous prime is 185842091116387. The next prime is 185842091116489. The reversal of 185842091116485 is 584611190248581.

185842091116485 is a `hidden beast` number, since 1 + 8 + 5 + 8 + 420 + 91 + 116 + 4 + 8 + 5 = 666.

It is not a de Polignac number, because 185842091116485 - 2¹² = 185842091112389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185842091116489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7851365061 + ... + 7851388730.

It is an arithmetic number, because the mean of its divisors is an integer number (13472962753536).

Almost surely, 2^{185842091116485} is an apocalyptic number.

185842091116485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

185842091116485 is a deficient number, since it is larger than the sum of its proper divisors (137509014968379).

185842091116485 is a wasteful number, since it uses less digits than its factorization.

185842091116485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15702754065 (or 15702754062 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 63.

The spelling of 185842091116485 in words is "one hundred eighty-five trillion, eight hundred forty-two billion, ninety-one million, one hundred sixteen thousand, four hundred eighty-five".