16390402694268 has 48 divisors (see below), whose sum is σ = 38502519420960. Its totient is φ = 5426688556800.

The previous prime is 16390402694249. The next prime is 16390402694279. The reversal of 16390402694268 is 86249620409361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5926803 + ... + 8240618.

It is an arithmetic number, because the mean of its divisors is an integer number (802135821270).

Almost surely, 2^{16390402694268} is an apocalyptic number.

It is an amenable number.

16390402694268 is an abundant number, since it is smaller than the sum of its proper divisors (22112116726692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16390402694268 is a wasteful number, since it uses less digits than its factorization.

16390402694268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14168078 (or 14168076 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 16390402694268 in words is "sixteen trillion, three hundred ninety billion, four hundred two million, six hundred ninety-four thousand, two hundred sixty-eight".