185142748086 has 32 divisors (see below), whose sum is σ = 413029248480. Its totient is φ = 61474111488.

The previous prime is 185142747991. The next prime is 185142748111. The reversal of 185142748086 is 680847241581.

185142748086 is a `hidden beast` number, since 1 + 8 + 514 + 2 + 7 + 48 + 0 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6656491 + ... + 6684246.

It is an arithmetic number, because the mean of its divisors is an integer number (12907164015).

Almost surely, 2^185142748086 is an apocalyptic number.

185142748086 is an abundant number, since it is smaller than the sum of its proper divisors (227886500394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185142748086 is a wasteful number, since it uses less digits than its factorization.

185142748086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341005 (or 13340999 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 185142748086 in words is "one hundred eighty-five billion, one hundred forty-two million, seven hundred forty-eight thousand, eighty-six".