16641503315 has 16 divisors (see below), whose sum is σ = 20464316928. Its totient is φ = 12984439776.

The previous prime is 16641503309. The next prime is 16641503317. The reversal of 16641503315 is 51330514661.

It is a cyclic number.

It is not a de Polignac number, because 16641503315 - 2⁶ = 16641503251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16641503317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90182 + ... + 203508.

It is an arithmetic number, because the mean of its divisors is an integer number (1279019808).

Almost surely, 2^16641503315 is an apocalyptic number.

16641503315 is a deficient number, since it is larger than the sum of its proper divisors (3822813613).

16641503315 is a wasteful number, since it uses less digits than its factorization.

16641503315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114058.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 16641503315 in words is "sixteen billion, six hundred forty-one million, five hundred three thousand, three hundred fifteen".