186851872053 has 96 divisors (see below), whose sum is σ = 346637491200. Its totient is φ = 94166841600.

The previous prime is 186851871937. The next prime is 186851872073. The reversal of 186851872053 is 350278158681.

186851872053 is a `hidden beast` number, since 1 + 8 + 6 + 8 + 518 + 72 + 0 + 53 = 666.

186851872053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 186851872053 - 2¹⁷ = 186851740981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186851872073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5067558 + ... + 5104296.

It is an arithmetic number, because the mean of its divisors is an integer number (3610807200).

Almost surely, 2^186851872053 is an apocalyptic number.

It is an amenable number.

186851872053 is a deficient number, since it is larger than the sum of its proper divisors (159785619147).

186851872053 is a wasteful number, since it uses less digits than its factorization.

186851872053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36983 (or 36980 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 186851872053 in words is "one hundred eighty-six billion, eight hundred fifty-one million, eight hundred seventy-two thousand, fifty-three".