16342738979 has 16 divisors (see below), whose sum is σ = 19858867200. Its totient is φ = 13128872064.

The previous prime is 16342738969. The next prime is 16342738981. The reversal of 16342738979 is 97983724361.

It is not a de Polignac number, because 16342738979 - 2⁴ = 16342738963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16342738969) 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, 258869 + ... + 315750.

It is an arithmetic number, because the mean of its divisors is an integer number (1241179200).

Almost surely, 2^16342738979 is an apocalyptic number.

16342738979 is a deficient number, since it is larger than the sum of its proper divisors (3516128221).

16342738979 is a wasteful number, since it uses less digits than its factorization.

16342738979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574882.

The product of its digits is 13716864, while the sum is 59.

The spelling of 16342738979 in words is "sixteen billion, three hundred forty-two million, seven hundred thirty-eight thousand, nine hundred seventy-nine".