16131086249922 has 320 divisors, whose sum is σ = 43989206367744. Its totient is φ = 4313034915840.

The previous prime is 16131086249917. The next prime is 16131086249923. The reversal of 16131086249922 is 22994268013161.

It is a happy number.

16131086249922 is a `hidden beast` number, since 1 + 6 + 1 + 3 + 1 + 0 + 8 + 624 + 9 + 9 + 2 + 2 = 666.

It is a super-2 number, since 2×16131086249922² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (16131086249923) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3451974178 + ... + 3451978850.

Almost surely, 2^{16131086249922} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16131086249922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21994603183872).

16131086249922 is an abundant number, since it is smaller than the sum of its proper divisors (27858120117822).

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

16131086249922 is a wasteful number, since it uses less digits than its factorization.

16131086249922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 16131086249922 in words is "sixteen trillion, one hundred thirty-one billion, eighty-six million, two hundred forty-nine thousand, nine hundred twenty-two".