79836140160 has 1280 divisors, whose sum is σ = 345781370880. Its totient is φ = 17169408000.

The previous prime is 79836140143. The next prime is 79836140201. The reversal of 79836140160 is 6104163897.

It is a happy number.

79836140160 is a `hidden beast` number, since 7 + 98 + 361 + 40 + 160 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 528716085 + ... + 528716235.

It is an arithmetic number, because the mean of its divisors is an integer number (270141696).

Almost surely, 2^79836140160 is an apocalyptic number.

79836140160 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 79836140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172890685440).

79836140160 is an abundant number, since it is smaller than the sum of its proper divisors (265945230720).

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

79836140160 is a wasteful number, since it uses less digits than its factorization.

79836140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 246 counting only the distinct ones).

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

The spelling of 79836140160 in words is "seventy-nine billion, eight hundred thirty-six million, one hundred forty thousand, one hundred sixty".