16207901338 has 16 divisors (see below), whose sum is σ = 24391166184. Its totient is φ = 8077547520.

The previous prime is 16207901329. The next prime is 16207901363. The reversal of 16207901338 is 83310970261.

It can be written as a sum of positive squares in 4 ways, for example, as 10892470689 + 5315430649 = 104367^2 + 72907^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16207901338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016806 + ... + 1032622.

Almost surely, 2^16207901338 is an apocalyptic number.

16207901338 is a deficient number, since it is larger than the sum of its proper divisors (8183264846).

16207901338 is a wasteful number, since it uses less digits than its factorization.

16207901338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17457.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 16207901338 in words is "sixteen billion, two hundred seven million, nine hundred one thousand, three hundred thirty-eight".