131563169291647 has 16 divisors (see below), whose sum is σ = 139910342888448. Its totient is φ = 123436164211360.

The previous prime is 131563169291599. The next prime is 131563169291663. The reversal of 131563169291647 is 746192961365131.

It is a happy number.

It is not a de Polignac number, because 131563169291647 - 2²⁷ = 131563035073919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131563169298647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9553879 + ... + 18825592.

It is an arithmetic number, because the mean of its divisors is an integer number (8744396430528).

Almost surely, 2^{131563169291647} is an apocalyptic number.

131563169291647 is a deficient number, since it is larger than the sum of its proper divisors (8347173596801).

131563169291647 is a wasteful number, since it uses less digits than its factorization.

131563169291647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28383350.

The product of its digits is 44089920, while the sum is 64.

The spelling of 131563169291647 in words is "one hundred thirty-one trillion, five hundred sixty-three billion, one hundred sixty-nine million, two hundred ninety-one thousand, six hundred forty-seven".