131965553916 has 96 divisors (see below), whose sum is σ = 395040289280. Its totient is φ = 37315717632.

The previous prime is 131965553899. The next prime is 131965553933. The reversal of 131965553916 is 619355569131.

131965553916 is a `hidden beast` number, since 1 + 3 + 1 + 96 + 5 + 5 + 539 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (131965553899) and next prime (131965553933).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826450 + ... + 973113.

Almost surely, 2^131965553916 is an apocalyptic number.

It is an amenable number.

131965553916 is an abundant number, since it is smaller than the sum of its proper divisors (263074735364).

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

131965553916 is a wasteful number, since it uses less digits than its factorization.

131965553916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799680 (or 1799672 counting only the distinct ones).

The product of its digits is 3280500, while the sum is 54.

The spelling of 131965553916 in words is "one hundred thirty-one billion, nine hundred sixty-five million, five hundred fifty-three thousand, nine hundred sixteen".