7266556626 has 96 divisors (see below), whose sum is σ = 17336576448. Its totient is φ = 2023781760.

The previous prime is 7266556601. The next prime is 7266556667. The reversal of 7266556626 is 6266556627.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2538436 + ... + 2541296.

It is an arithmetic number, because the mean of its divisors is an integer number (180589338).

Almost surely, 2^7266556626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7266556626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8668288224).

7266556626 is an abundant number, since it is smaller than the sum of its proper divisors (10070019822).

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

7266556626 is a wasteful number, since it uses less digits than its factorization.

7266556626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3089 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 51.

The square root of 7266556626 is about 85244.1002416003. The cubic root of 7266556626 is about 1936.9105026770.

Subtracting from 7266556626 its reverse (6266556627), we obtain a palindrome (999999999).

The spelling of 7266556626 in words is "seven billion, two hundred sixty-six million, five hundred fifty-six thousand, six hundred twenty-six".