16413304251 has 4 divisors (see below), whose sum is σ = 21884405672. Its totient is φ = 10942202832.

The previous prime is 16413304249. The next prime is 16413304267. The reversal of 16413304251 is 15240331461.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16413304251 - 2¹ = 16413304249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16413304151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735550706 + ... + 2735550711.

It is an arithmetic number, because the mean of its divisors is an integer number (5471101418).

Almost surely, 2^16413304251 is an apocalyptic number.

16413304251 is a deficient number, since it is larger than the sum of its proper divisors (5471101421).

16413304251 is an equidigital number, since it uses as much as digits as its factorization.

16413304251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471101420.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 16413304251 in words is "sixteen billion, four hundred thirteen million, three hundred four thousand, two hundred fifty-one".