79550146170 has 320 divisors, whose sum is σ = 237342897792. Its totient is φ = 18957888000.

The previous prime is 79550146141. The next prime is 79550146211. The reversal of 79550146170 is 7164105597.

79550146170 is a `hidden beast` number, since 7 + 95 + 501 + 46 + 17 + 0 = 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 172559740 + ... + 172560200.

Almost surely, 2^79550146170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79550146170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118671448896).

79550146170 is an abundant number, since it is smaller than the sum of its proper divisors (157792751622).

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

79550146170 is a wasteful number, since it uses less digits than its factorization.

79550146170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 79550146170 in words is "seventy-nine billion, five hundred fifty million, one hundred forty-six thousand, one hundred seventy".