9970718064 has 80 divisors (see below), whose sum is σ = 26052499200. Its totient is φ = 3285646848.

The previous prime is 9970718041. The next prime is 9970718071. The reversal of 9970718064 is 4608170799.

It is a junction number, because it is equal to n+sod(n) for n = 9970717998 and 9970718016.

It is a congruent number.

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, 3652252 + ... + 3654980.

It is an arithmetic number, because the mean of its divisors is an integer number (325656240).

Almost surely, 2^9970718064 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 9970718064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13026249600).

9970718064 is an abundant number, since it is smaller than the sum of its proper divisors (16081781136).

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

9970718064 is a wasteful number, since it uses less digits than its factorization.

9970718064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 9970718064 is about 99853.4829838198. The cubic root of 9970718064 is about 2152.3297668618.

The spelling of 9970718064 in words is "nine billion, nine hundred seventy million, seven hundred eighteen thousand, sixty-four".