80749103616 has 240 divisors, whose sum is σ = 244514350080. Its totient is φ = 25604874240.

The previous prime is 80749103609. The next prime is 80749103623. The reversal of 80749103616 is 61630194708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80749103609) and next prime (80749103623).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20240950 + ... + 20244938.

It is an arithmetic number, because the mean of its divisors is an integer number (1018809792).

Almost surely, 2^80749103616 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 80749103616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122257175040).

80749103616 is an abundant number, since it is smaller than the sum of its proper divisors (163765246464).

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

80749103616 is a wasteful number, since it uses less digits than its factorization.

80749103616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227 (or 4208 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 80749103616 in words is "eighty billion, seven hundred forty-nine million, one hundred three thousand, six hundred sixteen".