9562500661 has 16 divisors (see below), whose sum is σ = 11025633024. Its totient is φ = 8123917824.

The previous prime is 9562500659. The next prime is 9562500679. The reversal of 9562500661 is 1660052659.

9562500661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9562500661 - 2¹ = 9562500659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9562500641) 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, 401071 + ... + 424243.

It is an arithmetic number, because the mean of its divisors is an integer number (689102064).

Almost surely, 2^9562500661 is an apocalyptic number.

It is an amenable number.

9562500661 is a deficient number, since it is larger than the sum of its proper divisors (1463132363).

9562500661 is a wasteful number, since it uses less digits than its factorization.

9562500661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23700.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 9562500661 is about 97788.0394577987. The cubic root of 9562500661 is about 2122.5462361003.

The spelling of 9562500661 in words is "nine billion, five hundred sixty-two million, five hundred thousand, six hundred sixty-one".