16868338438 has 8 divisors (see below), whose sum is σ = 28917151632. Its totient is φ = 7229287896.

The previous prime is 16868338429. The next prime is 16868338489. The reversal of 16868338438 is 83483386861.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602440645 + ... + 602440672.

It is an arithmetic number, because the mean of its divisors is an integer number (3614643954).

Almost surely, 2^16868338438 is an apocalyptic number.

16868338438 is a deficient number, since it is larger than the sum of its proper divisors (12048813194).

16868338438 is a wasteful number, since it uses less digits than its factorization.

16868338438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204881326.

The product of its digits is 15925248, while the sum is 58.

The spelling of 16868338438 in words is "sixteen billion, eight hundred sixty-eight million, three hundred thirty-eight thousand, four hundred thirty-eight".