16668350193 has 16 divisors (see below), whose sum is σ = 24808709376. Its totient is φ = 9867098640.

The previous prime is 16668350177. The next prime is 16668350221. The reversal of 16668350193 is 39105386661.

It is not a de Polignac number, because 16668350193 - 2⁴ = 16668350177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16668350143) 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, 5871855 + ... + 5874692.

It is an arithmetic number, because the mean of its divisors is an integer number (1550544336).

Almost surely, 2^16668350193 is an apocalyptic number.

It is an amenable number.

16668350193 is a deficient number, since it is larger than the sum of its proper divisors (8140359183).

16668350193 is a wasteful number, since it uses less digits than its factorization.

16668350193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746604.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 16668350193 in words is "sixteen billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred ninety-three".