16253608615 has 16 divisors (see below), whose sum is σ = 20820049920. Its totient is φ = 12145019040.

The previous prime is 16253608589. The next prime is 16253608619. The reversal of 16253608615 is 51680635261.

16253608615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16253608615 - 2⁷ = 16253608487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253608619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198119 + ... + 1211608.

It is an arithmetic number, because the mean of its divisors is an integer number (1301253120).

Almost surely, 2^16253608615 is an apocalyptic number.

16253608615 is a deficient number, since it is larger than the sum of its proper divisors (4566441305).

16253608615 is a wasteful number, since it uses less digits than its factorization.

16253608615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409822.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 16253608615 in words is "sixteen billion, two hundred fifty-three million, six hundred eight thousand, six hundred fifteen".