16616026325 has 48 divisors (see below), whose sum is σ = 22016448000. Its totient is φ = 12417968640.

The previous prime is 16616026309. The next prime is 16616026337. The reversal of 16616026325 is 52362061661.

It is a happy number.

It is not a de Polignac number, because 16616026325 - 2⁴ = 16616026309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3029936 + ... + 3035414.

It is an arithmetic number, because the mean of its divisors is an integer number (458676000).

Almost surely, 2^16616026325 is an apocalyptic number.

It is an amenable number.

16616026325 is a deficient number, since it is larger than the sum of its proper divisors (5400421675).

16616026325 is a wasteful number, since it uses less digits than its factorization.

16616026325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654 (or 5649 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 16616026325 its reverse (52362061661), we get a palindrome (68978087986).

The spelling of 16616026325 in words is "sixteen billion, six hundred sixteen million, twenty-six thousand, three hundred twenty-five".