9938176512 has 160 divisors (see below), whose sum is σ = 29556679680. Its totient is φ = 2941317120.

The previous prime is 9938176477. The next prime is 9938176517. The reversal of 9938176512 is 2156718399.

It is a super-2 number, since 2×9938176512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9938176517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719689 + ... + 733367.

It is an arithmetic number, because the mean of its divisors is an integer number (184729248).

Almost surely, 2^9938176512 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 9938176512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14778339840).

9938176512 is an abundant number, since it is smaller than the sum of its proper divisors (19618503168).

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

9938176512 is a wasteful number, since it uses less digits than its factorization.

9938176512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13754 (or 13738 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 9938176512 is about 99690.4033094460. The cubic root of 9938176512 is about 2149.9856867264.

The spelling of 9938176512 in words is "nine billion, nine hundred thirty-eight million, one hundred seventy-six thousand, five hundred twelve".