131609169764 has 12 divisors (see below), whose sum is σ = 230943613824. Its totient is φ = 65625280104.

The previous prime is 131609169749. The next prime is 131609169779. The reversal of 131609169764 is 467961906131.

It is an interprime number because it is at equal distance from previous prime (131609169749) and next prime (131609169779).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44824544 + ... + 44827479.

It is an arithmetic number, because the mean of its divisors is an integer number (19245301152).

Almost surely, 2^131609169764 is an apocalyptic number.

It is an amenable number.

131609169764 is a deficient number, since it is larger than the sum of its proper divisors (99334444060).

131609169764 is a wasteful number, since it uses less digits than its factorization.

131609169764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89652394 (or 89652392 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 131609169764 in words is "one hundred thirty-one billion, six hundred nine million, one hundred sixty-nine thousand, seven hundred sixty-four".