186911042136 has 512 divisors, whose sum is σ = 612777984000. Its totient is φ = 47155530240.

The previous prime is 186911042107. The next prime is 186911042137. The reversal of 186911042136 is 631240119681.

186911042136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186911042137) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 341701815 + ... + 341702361.

It is an arithmetic number, because the mean of its divisors is an integer number (1196832000).

Almost surely, 2^186911042136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 186911042136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306388992000).

186911042136 is an abundant number, since it is smaller than the sum of its proper divisors (425866941864).

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

186911042136 is a wasteful number, since it uses less digits than its factorization.

186911042136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 186911042136 in words is "one hundred eighty-six billion, nine hundred eleven million, forty-two thousand, one hundred thirty-six".