16425426544 has 40 divisors (see below), whose sum is σ = 32061229200. Its totient is φ = 8151694848.

The previous prime is 16425426529. The next prime is 16425426557. The reversal of 16425426544 is 44562452461.

It is a self number, because there is not a number n which added to its sum of digits gives 16425426544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231382 + ... + 2238730.

It is an arithmetic number, because the mean of its divisors is an integer number (801530730).

Almost surely, 2^16425426544 is an apocalyptic number.

It is an amenable number.

16425426544 is a deficient number, since it is larger than the sum of its proper divisors (15635802656).

16425426544 is a wasteful number, since it uses less digits than its factorization.

16425426544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377 (or 8371 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

The spelling of 16425426544 in words is "sixteen billion, four hundred twenty-five million, four hundred twenty-six thousand, five hundred forty-four".