16939393862331 has 16 divisors (see below), whose sum is σ = 22634795291904. Its totient is φ = 11268482488224.

The previous prime is 16939393862317. The next prime is 16939393862351. The reversal of 16939393862331 is 13326839393961.

16939393862331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16939393862331 - 2⁵ = 16939393862299 is a prime.

It is a super-2 number, since 2×16939393862331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16939393862311) 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, 425580 + ... + 5836086.

It is an arithmetic number, because the mean of its divisors is an integer number (1414674705744).

Almost surely, 2^{16939393862331} is an apocalyptic number.

16939393862331 is a deficient number, since it is larger than the sum of its proper divisors (5695401429573).

16939393862331 is a wasteful number, since it uses less digits than its factorization.

16939393862331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412770.

The product of its digits is 102036672, while the sum is 66.

The spelling of 16939393862331 in words is "sixteen trillion, nine hundred thirty-nine billion, three hundred ninety-three million, eight hundred sixty-two thousand, three hundred thirty-one".