131655857416 has 8 divisors (see below), whose sum is σ = 246854732670. Its totient is φ = 65827928704.

The previous prime is 131655857401. The next prime is 131655857419. The reversal of 131655857416 is 614758556131.

It can be written as a sum of positive squares in only one way, i.e., 117955154916 + 13700702500 = 343446^2 + 117050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (131655857419) 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 as a sum of consecutive naturals, namely, 8228491081 + ... + 8228491096.

Almost surely, 2^131655857416 is an apocalyptic number.

It is an amenable number.

131655857416 is a deficient number, since it is larger than the sum of its proper divisors (115198875254).

131655857416 is a wasteful number, since it uses less digits than its factorization.

131655857416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456982183 (or 16456982179 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 52.

The spelling of 131655857416 in words is "one hundred thirty-one billion, six hundred fifty-five million, eight hundred fifty-seven thousand, four hundred sixteen".