186612068139 has 16 divisors (see below), whose sum is σ = 287176707840. Its totient is φ = 105579669600.

The previous prime is 186612068119. The next prime is 186612068141. The reversal of 186612068139 is 931860216681.

It is not a de Polignac number, because 186612068139 - 2⁵ = 186612068107 is a prime.

It is a super-2 number, since 2×186612068139² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 186612068091 and 186612068100.

It is not an unprimeable number, because it can be changed into a prime (186612068119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43989409 + ... + 43993650.

It is an arithmetic number, because the mean of its divisors is an integer number (17948544240).

Almost surely, 2^186612068139 is an apocalyptic number.

186612068139 is a deficient number, since it is larger than the sum of its proper divisors (100564639701).

186612068139 is a wasteful number, since it uses less digits than its factorization.

186612068139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87983170.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 186612068139 in words is "one hundred eighty-six billion, six hundred twelve million, sixty-eight thousand, one hundred thirty-nine".