16596942225 has 48 divisors (see below), whose sum is σ = 29149771200. Its totient is φ = 8308811520.

The previous prime is 16596942217. The next prime is 16596942251. The reversal of 16596942225 is 52224969561.

It is a happy number.

It is not a de Polignac number, because 16596942225 - 2³ = 16596942217 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101899 + ... + 208751.

It is an arithmetic number, because the mean of its divisors is an integer number (607286900).

Almost surely, 2^16596942225 is an apocalyptic number.

16596942225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16596942225 is a deficient number, since it is larger than the sum of its proper divisors (12552828975).

16596942225 is a wasteful number, since it uses less digits than its factorization.

16596942225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106994 (or 106989 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The spelling of 16596942225 in words is "sixteen billion, five hundred ninety-six million, nine hundred forty-two thousand, two hundred twenty-five".