5170642064 has 120 divisors (see below), whose sum is σ = 12271446720. Its totient is φ = 2061780480.

The previous prime is 5170642051. The next prime is 5170642069. The reversal of 5170642064 is 4602460715.

It is not an unprimeable number, because it can be changed into a prime (5170642069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7917962 + ... + 7918614.

It is an arithmetic number, because the mean of its divisors is an integer number (102262056).

Almost surely, 2^5170642064 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 5170642064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6135723360).

5170642064 is an abundant number, since it is smaller than the sum of its proper divisors (7100804656).

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

5170642064 is a wasteful number, since it uses less digits than its factorization.

5170642064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 5170642064 is about 71907.1767211034. The cubic root of 5170642064 is about 1729.2116719689.

The spelling of 5170642064 in words is "five billion, one hundred seventy million, six hundred forty-two thousand, sixty-four".