15803206068 has 96 divisors (see below), whose sum is σ = 41597208576. Its totient is φ = 4633149312.

The previous prime is 15803206061. The next prime is 15803206093. The reversal of 15803206068 is 86060230851.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15803206061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935271 + ... + 952017.

It is an arithmetic number, because the mean of its divisors is an integer number (433304256).

Almost surely, 2^15803206068 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 15803206068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20798604288).

15803206068 is an abundant number, since it is smaller than the sum of its proper divisors (25794002508).

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

15803206068 is a wasteful number, since it uses less digits than its factorization.

15803206068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17053 (or 17051 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 15803206068 in words is "fifteen billion, eight hundred three million, two hundred six thousand, sixty-eight".