15326719968 has 144 divisors (see below), whose sum is σ = 48528305280. Its totient is φ = 4148520192.

The previous prime is 15326719939. The next prime is 15326719981. The reversal of 15326719968 is 86991762351.

15326719968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211003 + ... + 274181.

It is an arithmetic number, because the mean of its divisors is an integer number (337002120).

Almost surely, 2^15326719968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15326719968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24264152640).

15326719968 is an abundant number, since it is smaller than the sum of its proper divisors (33201585312).

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

15326719968 is a wasteful number, since it uses less digits than its factorization.

15326719968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63237 (or 63210 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 57.

The spelling of 15326719968 in words is "fifteen billion, three hundred twenty-six million, seven hundred nineteen thousand, nine hundred sixty-eight".