9352218661 has 8 divisors (see below), whose sum is σ = 9437154840. Its totient is φ = 9267320832.

The previous prime is 9352218607. The next prime is 9352218697. The reversal of 9352218661 is 1668122539.

It can be written as a sum of positive squares in 4 ways, for example, as 596873761 + 8755344900 = 24431^2 + 93570^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9352218661 - 2²¹ = 9350121509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9352219661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749671 + ... + 762043.

It is an arithmetic number, because the mean of its divisors is an integer number (1179644355).

Almost surely, 2^9352218661 is an apocalyptic number.

It is an amenable number.

9352218661 is a deficient number, since it is larger than the sum of its proper divisors (84936179).

9352218661 is a wasteful number, since it uses less digits than its factorization.

9352218661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19175.

The product of its digits is 155520, while the sum is 43.

The square root of 9352218661 is about 96706.8697714904. The cubic root of 9352218661 is about 2106.8723201127.

The spelling of 9352218661 in words is "nine billion, three hundred fifty-two million, two hundred eighteen thousand, six hundred sixty-one".