16305218139 has 16 divisors (see below), whose sum is σ = 24853118720. Its totient is φ = 9314615520.

The previous prime is 16305218107. The next prime is 16305218147. The reversal of 16305218139 is 93181250361.

It is not a de Polignac number, because 16305218139 - 2⁵ = 16305218107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16305218097 and 16305218106.

It is not an unprimeable number, because it can be changed into a prime (16305218159) 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, 33724 + ... + 183705.

It is an arithmetic number, because the mean of its divisors is an integer number (1553319920).

Almost surely, 2^16305218139 is an apocalyptic number.

16305218139 is a deficient number, since it is larger than the sum of its proper divisors (8547900581).

16305218139 is a wasteful number, since it uses less digits than its factorization.

16305218139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221010.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 16305218139 in words is "sixteen billion, three hundred five million, two hundred eighteen thousand, one hundred thirty-nine".