16444245625 has 40 divisors (see below), whose sum is σ = 20760854400. Its totient is φ = 13020504000.

The previous prime is 16444245619. The next prime is 16444245659. The reversal of 16444245625 is 52654244461.

It is not a de Polignac number, because 16444245625 - 2⁷ = 16444245497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42272931 + ... + 42273319.

It is an arithmetic number, because the mean of its divisors is an integer number (519021360).

Almost surely, 2^16444245625 is an apocalyptic number.

It is an amenable number.

16444245625 is a deficient number, since it is larger than the sum of its proper divisors (4316608775).

16444245625 is an equidigital number, since it uses as much as digits as its factorization.

16444245625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 916 counting only the distinct ones).

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

The spelling of 16444245625 in words is "sixteen billion, four hundred forty-four million, two hundred forty-five thousand, six hundred twenty-five".