16131005426 has 24 divisors (see below), whose sum is σ = 25487575344. Its totient is φ = 7655871080.

The previous prime is 16131005383. The next prime is 16131005467. The reversal of 16131005426 is 62450013161.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80405 + ... + 196791.

It is an arithmetic number, because the mean of its divisors is an integer number (1061982306).

Almost surely, 2^16131005426 is an apocalyptic number.

16131005426 is a deficient number, since it is larger than the sum of its proper divisors (9356569918).

16131005426 is a wasteful number, since it uses less digits than its factorization.

16131005426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116566 (or 116543 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 16131005426 its reverse (62450013161), we get a palindrome (78581018587).

The spelling of 16131005426 in words is "sixteen billion, one hundred thirty-one million, five thousand, four hundred twenty-six".