7165870038 has 128 divisors (see below), whose sum is σ = 16988590080. Its totient is φ = 2235168000.

The previous prime is 7165869979. The next prime is 7165870051. The reversal of 7165870038 is 8300785617.

It is a super-2 number, since 2×7165870038² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7165869975 and 7165870002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8990656 + ... + 8991452.

It is an arithmetic number, because the mean of its divisors is an integer number (132723360).

Almost surely, 2^7165870038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7165870038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8494295040).

7165870038 is an abundant number, since it is smaller than the sum of its proper divisors (9822720042).

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

7165870038 is a wasteful number, since it uses less digits than its factorization.

7165870038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 7165870038 is about 84651.4621137757. The cubic root of 7165870038 is about 1927.9228135726.

The spelling of 7165870038 in words is "seven billion, one hundred sixty-five million, eight hundred seventy thousand, thirty-eight".