186738540054 has 64 divisors (see below), whose sum is σ = 409186529280. Its totient is φ = 56343924000.

The previous prime is 186738540041. The next prime is 186738540061. The reversal of 186738540054 is 450045837681.

It is a junction number, because it is equal to n+sod(n) for n = 186738539979 and 186738540006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15777919 + ... + 15789749.

It is an arithmetic number, because the mean of its divisors is an integer number (6393539520).

Almost surely, 2^186738540054 is an apocalyptic number.

186738540054 is an abundant number, since it is smaller than the sum of its proper divisors (222447989226).

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

186738540054 is a wasteful number, since it uses less digits than its factorization.

186738540054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 186738540054 in words is "one hundred eighty-six billion, seven hundred thirty-eight million, five hundred forty thousand, fifty-four".