15338766336 has 68 divisors (see below), whose sum is σ = 40903589112. Its totient is φ = 5112856576.

The previous prime is 15338766319. The next prime is 15338766349. The reversal of 15338766336 is 63366783351.

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, 157600 + ... + 235616.

Almost surely, 2^15338766336 is an apocalyptic number.

15338766336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15338766336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20451794556).

15338766336 is an abundant number, since it is smaller than the sum of its proper divisors (25564822776).

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

15338766336 is an frugal number, since it uses more digits than its factorization.

15338766336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78052 (or 78022 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 51.

The spelling of 15338766336 in words is "fifteen billion, three hundred thirty-eight million, seven hundred sixty-six thousand, three hundred thirty-six".