16940246331 has 32 divisors (see below), whose sum is σ = 23637639168. Its totient is φ = 10780791840.

The previous prime is 16940246291. The next prime is 16940246339. The reversal of 16940246331 is 13364204961.

It is not a de Polignac number, because 16940246331 - 2¹⁰ = 16940245307 is a prime.

It is a super-2 number, since 2×16940246331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16940246331.

It is not an unprimeable number, because it can be changed into a prime (16940246339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5521860 + ... + 5524926.

It is an arithmetic number, because the mean of its divisors is an integer number (738676224).

Almost surely, 2^16940246331 is an apocalyptic number.

16940246331 is a deficient number, since it is larger than the sum of its proper divisors (6697392837).

16940246331 is a wasteful number, since it uses less digits than its factorization.

16940246331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 16940246331 in words is "sixteen billion, nine hundred forty million, two hundred forty-six thousand, three hundred thirty-one".