186505135366012 has 12 divisors (see below), whose sum is σ = 326385634827616. Its totient is φ = 93252096843840.

The previous prime is 186505135366003. The next prime is 186505135366061. The reversal of 186505135366012 is 210663531505681.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116817789 + ... + 118403572.

Almost surely, 2^{186505135366012} is an apocalyptic number.

It is an amenable number.

186505135366012 is a deficient number, since it is larger than the sum of its proper divisors (139880499461604).

186505135366012 is a wasteful number, since it uses less digits than its factorization.

186505135366012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235419588 (or 235419586 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 186505135366012 in words is "one hundred eighty-six trillion, five hundred five billion, one hundred thirty-five million, three hundred sixty-six thousand, twelve".