16519253357 has 8 divisors (see below), whose sum is σ = 16692303936. Its totient is φ = 16346259072.

The previous prime is 16519253321. The next prime is 16519253363. The reversal of 16519253357 is 75335291561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16519253357 - 2¹² = 16519249261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16519253057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852458 + ... + 871620.

It is an arithmetic number, because the mean of its divisors is an integer number (2086537992).

Almost surely, 2^16519253357 is an apocalyptic number.

It is an amenable number.

16519253357 is a deficient number, since it is larger than the sum of its proper divisors (173050579).

16519253357 is an equidigital number, since it uses as much as digits as its factorization.

16519253357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28147.

The product of its digits is 850500, while the sum is 47.

The spelling of 16519253357 in words is "sixteen billion, five hundred nineteen million, two hundred fifty-three thousand, three hundred fifty-seven".