16125226625 has 32 divisors (see below), whose sum is σ = 20273400576. Its totient is φ = 12804960000.

The previous prime is 16125226619. The next prime is 16125226639. The reversal of 16125226625 is 52662252161.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16125226625 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15639860 + ... + 15640890.

It is an arithmetic number, because the mean of its divisors is an integer number (633543768).

Almost surely, 2^16125226625 is an apocalyptic number.

It is an amenable number.

16125226625 is a deficient number, since it is larger than the sum of its proper divisors (4148173951).

16125226625 is a wasteful number, since it uses less digits than its factorization.

16125226625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1840 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

Adding to 16125226625 its reverse (52662252161), we get a palindrome (68787478786).

The spelling of 16125226625 in words is "sixteen billion, one hundred twenty-five million, two hundred twenty-six thousand, six hundred twenty-five".