7566612201 has 24 divisors (see below), whose sum is σ = 11027147040. Its totient is φ = 4999490496.

The previous prime is 7566612199. The next prime is 7566612211. The reversal of 7566612201 is 1022166657.

It is a happy number.

It is not a de Polignac number, because 7566612201 - 2¹ = 7566612199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7566612211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 766966 + ... + 776768.

It is an arithmetic number, because the mean of its divisors is an integer number (459464460).

Almost surely, 2^7566612201 is an apocalyptic number.

It is an amenable number.

7566612201 is a deficient number, since it is larger than the sum of its proper divisors (3460534839).

7566612201 is a wasteful number, since it uses less digits than its factorization.

7566612201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565 (or 10562 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7566612201 is about 86986.2759347703. The cubic root of 7566612201 is about 1963.2118137644.

Adding to 7566612201 its reverse (1022166657), we get a palindrome (8588778858).

The spelling of 7566612201 in words is "seven billion, five hundred sixty-six million, six hundred twelve thousand, two hundred one".