79091844160 has 224 divisors, whose sum is σ = 229684112640. Its totient is φ = 25337069568.

The previous prime is 79091844151. The next prime is 79091844197. The reversal of 79091844160 is 6144819097.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×79091844160² (a number of 23 digits) contains 22 as substring.

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, 3094152 + ... + 3119608.

Almost surely, 2^79091844160 is an apocalyptic number.

79091844160 is a gapful number since it is divisible by the number (70) 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 79091844160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114842056320).

79091844160 is an abundant number, since it is smaller than the sum of its proper divisors (150592268480).

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

79091844160 is a wasteful number, since it uses less digits than its factorization.

79091844160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25573 (or 25563 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 79091844160 in words is "seventy-nine billion, ninety-one million, eight hundred forty-four thousand, one hundred sixty".