186342708881 has 16 divisors (see below), whose sum is σ = 213945897600. Its totient is φ = 158986920960.

The previous prime is 186342708869. The next prime is 186342708899. The reversal of 186342708881 is 188807243681.

It is not a de Polignac number, because 186342708881 - 2¹⁰ = 186342707857 is a prime.

It is a super-2 number, since 2×186342708881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (186342704881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1252790 + ... + 1393616.

It is an arithmetic number, because the mean of its divisors is an integer number (13371618600).

Almost surely, 2^186342708881 is an apocalyptic number.

It is an amenable number.

186342708881 is a deficient number, since it is larger than the sum of its proper divisors (27603188719).

186342708881 is a wasteful number, since it uses less digits than its factorization.

186342708881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141704.

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 186342708881 in words is "one hundred eighty-six billion, three hundred forty-two million, seven hundred eight thousand, eight hundred eighty-one".