16615253516 has 6 divisors (see below), whose sum is σ = 29076693660. Its totient is φ = 8307626756.

The previous prime is 16615253461. The next prime is 16615253527. The reversal of 16615253516 is 61535251661.

16615253516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2076906686 + ... + 2076906693.

It is an arithmetic number, because the mean of its divisors is an integer number (4846115610).

Almost surely, 2^16615253516 is an apocalyptic number.

It is an amenable number.

16615253516 is a deficient number, since it is larger than the sum of its proper divisors (12461440144).

16615253516 is a wasteful number, since it uses less digits than its factorization.

16615253516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153813383 (or 4153813381 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The spelling of 16615253516 in words is "sixteen billion, six hundred fifteen million, two hundred fifty-three thousand, five hundred sixteen".