16994139786331 has 8 divisors (see below), whose sum is σ = 17004057950880. Its totient is φ = 16984224305472.

The previous prime is 16994139786311. The next prime is 16994139786373. The reversal of 16994139786331 is 13368793149961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16994139786331 - 2¹¹ = 16994139784283 is a prime.

It is a super-2 number, since 2×16994139786331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16994139786301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12067986 + ... + 13402408.

It is an arithmetic number, because the mean of its divisors is an integer number (2125507243860).

Almost surely, 2^{16994139786331} is an apocalyptic number.

16994139786331 is a deficient number, since it is larger than the sum of its proper divisors (9918164549).

16994139786331 is a wasteful number, since it uses less digits than its factorization.

16994139786331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341845.

The product of its digits is 158723712, while the sum is 70.

The spelling of 16994139786331 in words is "sixteen trillion, nine hundred ninety-four billion, one hundred thirty-nine million, seven hundred eighty-six thousand, three hundred thirty-one".