131605164622 has 16 divisors (see below), whose sum is σ = 197822240640. Its totient is φ = 65664465912.

The previous prime is 131605164611. The next prime is 131605164623. The reversal of 131605164622 is 226461506131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131605164623) 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 7 ways as a sum of consecutive naturals, for example, 8547543 + ... + 8562925.

It is an arithmetic number, because the mean of its divisors is an integer number (12363890040).

Almost surely, 2^131605164622 is an apocalyptic number.

131605164622 is a deficient number, since it is larger than the sum of its proper divisors (66217076018).

131605164622 is a wasteful number, since it uses less digits than its factorization.

131605164622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24087.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 131605164622 in words is "one hundred thirty-one billion, six hundred five million, one hundred sixty-four thousand, six hundred twenty-two".