78816147168 has 192 divisors, whose sum is σ = 239458222080. Its totient is φ = 22447756800.

The previous prime is 78816147119. The next prime is 78816147197. The reversal of 78816147168 is 86174161887.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2532663 + ... + 2563593.

It is an arithmetic number, because the mean of its divisors is an integer number (1247178240).

Almost surely, 2^78816147168 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 78816147168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119729111040).

78816147168 is an abundant number, since it is smaller than the sum of its proper divisors (160642074912).

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

78816147168 is a wasteful number, since it uses less digits than its factorization.

78816147168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31101 (or 31093 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 57.

The spelling of 78816147168 in words is "seventy-eight billion, eight hundred sixteen million, one hundred forty-seven thousand, one hundred sixty-eight".