186350748545 has 16 divisors (see below), whose sum is σ = 240924877200. Its totient is φ = 137554362624.

The previous prime is 186350748509. The next prime is 186350748547. The reversal of 186350748545 is 545847053681.

186350748545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 36631280449 + 149719468096 = 191393^2 + 386936^2 .

It is a cyclic number.

It is not a de Polignac number, because 186350748545 - 2¹⁸ = 186350486401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (186350748547) 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 15 ways as a sum of consecutive naturals, for example, 454970 + ... + 761379.

It is an arithmetic number, because the mean of its divisors is an integer number (15057804825).

Almost surely, 2^186350748545 is an apocalyptic number.

It is an amenable number.

186350748545 is a deficient number, since it is larger than the sum of its proper divisors (54574128655).

186350748545 is a wasteful number, since it uses less digits than its factorization.

186350748545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218724.

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 186350748545 in words is "one hundred eighty-six billion, three hundred fifty million, seven hundred forty-eight thousand, five hundred forty-five".