16668350179 has 12 divisors (see below), whose sum is σ = 19110878856. Its totient is φ = 14481098112.

The previous prime is 16668350177. The next prime is 16668350221. The reversal of 16668350179 is 97105386661.

It is a happy number.

It is not a de Polignac number, because 16668350179 - 2¹ = 16668350177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16668350177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2897989 + ... + 2903734.

It is an arithmetic number, because the mean of its divisors is an integer number (1592573238).

Almost surely, 2^16668350179 is an apocalyptic number.

16668350179 is a deficient number, since it is larger than the sum of its proper divisors (2442528677).

16668350179 is a wasteful number, since it uses less digits than its factorization.

16668350179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801766 (or 5801753 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 16668350179 in words is "sixteen billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred seventy-nine".