15791349776 has 40 divisors (see below), whose sum is σ = 32469528960. Its totient is φ = 7414239744.

The previous prime is 15791349703. The next prime is 15791349779. The reversal of 15791349776 is 67794319751.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15791349779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53285 + ... + 185531.

It is an arithmetic number, because the mean of its divisors is an integer number (811738224).

Almost surely, 2^15791349776 is an apocalyptic number.

15791349776 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 15791349776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16234764480).

15791349776 is an abundant number, since it is smaller than the sum of its proper divisors (16678179184).

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

15791349776 is a wasteful number, since it uses less digits than its factorization.

15791349776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132711 (or 132705 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 59.

The spelling of 15791349776 in words is "fifteen billion, seven hundred ninety-one million, three hundred forty-nine thousand, seven hundred seventy-six".