16322616131 has 4 divisors (see below), whose sum is σ = 16590200064. Its totient is φ = 16055032200.

The previous prime is 16322616097. The next prime is 16322616133. The reversal of 16322616131 is 13161622361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16322616131 - 2²² = 16318421827 is a prime.

It is a super-2 number, since 2×16322616131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16322616133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133791875 + ... + 133791996.

It is an arithmetic number, because the mean of its divisors is an integer number (4147550016).

Almost surely, 2^16322616131 is an apocalyptic number.

16322616131 is a deficient number, since it is larger than the sum of its proper divisors (267583933).

16322616131 is an equidigital number, since it uses as much as digits as its factorization.

16322616131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267583932.

The product of its digits is 7776, while the sum is 32.

The spelling of 16322616131 in words is "sixteen billion, three hundred twenty-two million, six hundred sixteen thousand, one hundred thirty-one".