8170129552 has 80 divisors (see below), whose sum is σ = 18835044480. Its totient is φ = 3394676736.

The previous prime is 8170129549. The next prime is 8170129613. The reversal of 8170129552 is 2559210718.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31099 + ... + 131557.

It is an arithmetic number, because the mean of its divisors is an integer number (235438056).

Almost surely, 2^8170129552 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 8170129552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9417522240).

8170129552 is an abundant number, since it is smaller than the sum of its proper divisors (10664914928).

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

8170129552 is a wasteful number, since it uses less digits than its factorization.

8170129552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100520 (or 100514 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 8170129552 is about 90388.7689483600. The cubic root of 8170129552 is about 2014.0781332324.

The spelling of 8170129552 in words is "eight billion, one hundred seventy million, one hundred twenty-nine thousand, five hundred fifty-two".