7265668888064 has 160 divisors (see below), whose sum is σ = 15141788006400. Its totient is φ = 3479039262720.

The previous prime is 7265668888063. The next prime is 7265668888099. The reversal of 7265668888064 is 4608888665627.

It is a junction number, because it is equal to n+sod(n) for n = 7265668887982 and 7265668888000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265668888063) 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, 2189112197 + ... + 2189115515.

It is an arithmetic number, because the mean of its divisors is an integer number (94636175040).

Almost surely, 2^{7265668888064} 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 7265668888064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7570894003200).

7265668888064 is an abundant number, since it is smaller than the sum of its proper divisors (7876119118336).

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

7265668888064 is a wasteful number, since it uses less digits than its factorization.

7265668888064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 1486356480, while the sum is 74.

The spelling of 7265668888064 in words is "seven trillion, two hundred sixty-five billion, six hundred sixty-eight million, eight hundred eighty-eight thousand, sixty-four".