131516205164 has 6 divisors (see below), whose sum is σ = 230153359044. Its totient is φ = 65758102580.

The previous prime is 131516205083. The next prime is 131516205169. The reversal of 131516205164 is 461502615131.

It is not an unprimeable number, because it can be changed into a prime (131516205169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16439525642 + ... + 16439525649.

It is an arithmetic number, because the mean of its divisors is an integer number (38358893174).

Almost surely, 2^131516205164 is an apocalyptic number.

It is an amenable number.

131516205164 is a deficient number, since it is larger than the sum of its proper divisors (98637153880).

131516205164 is a wasteful number, since it uses less digits than its factorization.

131516205164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32879051295 (or 32879051293 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 131516205164 in words is "one hundred thirty-one billion, five hundred sixteen million, two hundred five thousand, one hundred sixty-four".