131665894986 has 16 divisors (see below), whose sum is σ = 263342688768. Its totient is φ = 43886815200.

The previous prime is 131665894973. The next prime is 131665895041. The reversal of 131665894986 is 689498566131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292650 + ... + 590741.

It is an arithmetic number, because the mean of its divisors is an integer number (16458918048).

Almost surely, 2^131665894986 is an apocalyptic number.

131665894986 is an abundant number, since it is smaller than the sum of its proper divisors (131676793782).

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

131665894986 is a wasteful number, since it uses less digits than its factorization.

131665894986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908237.

The product of its digits is 67184640, while the sum is 66.

The spelling of 131665894986 in words is "one hundred thirty-one billion, six hundred sixty-five million, eight hundred ninety-four thousand, nine hundred eighty-six".