16513228839 has 8 divisors (see below), whose sum is σ = 22554654192. Its totient is φ = 10740311360.

The previous prime is 16513228819. The next prime is 16513228841. The reversal of 16513228839 is 93882231561.

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 16513228839 - 2¹² = 16513224743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16513228819) 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, 67126824 + ... + 67127069.

It is an arithmetic number, because the mean of its divisors is an integer number (2819331774).

Almost surely, 2^16513228839 is an apocalyptic number.

16513228839 is a deficient number, since it is larger than the sum of its proper divisors (6041425353).

16513228839 is a wasteful number, since it uses less digits than its factorization.

16513228839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134253937.

The product of its digits is 622080, while the sum is 48.

The spelling of 16513228839 in words is "sixteen billion, five hundred thirteen million, two hundred twenty-eight thousand, eight hundred thirty-nine".