7385320167664 has 80 divisors (see below), whose sum is σ = 15457988304000. Its totient is φ = 3407464661760.

The previous prime is 7385320167629. The next prime is 7385320167679. The reversal of 7385320167664 is 4667610235837.

It is a super-2 number, since 2×7385320167664² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7385320167599 and 7385320167608.

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, 66219 + ... + 3843829.

It is an arithmetic number, because the mean of its divisors is an integer number (193224853800).

Almost surely, 2^{7385320167664} 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 7385320167664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7728994152000).

7385320167664 is an abundant number, since it is smaller than the sum of its proper divisors (8072668136336).

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

7385320167664 is a wasteful number, since it uses less digits than its factorization.

7385320167664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777806 (or 3777800 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 7385320167664 in words is "seven trillion, three hundred eighty-five billion, three hundred twenty million, one hundred sixty-seven thousand, six hundred sixty-four".