5322443661 has 20 divisors (see below), whose sum is σ = 8207292544. Its totient is φ = 3433833000.

The previous prime is 5322443617. The next prime is 5322443677. The reversal of 5322443661 is 1663442235.

5322443661 is a `hidden beast` number, since 53 + 2 + 244 + 366 + 1 = 666.

It is not a de Polignac number, because 5322443661 - 2¹⁵ = 5322410893 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 (5322443261) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1057315 + ... + 1062336.

Almost surely, 2^5322443661 is an apocalyptic number.

It is an amenable number.

5322443661 is a deficient number, since it is larger than the sum of its proper divisors (2884848883).

5322443661 is a wasteful number, since it uses less digits than its factorization.

5322443661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119694 (or 2119685 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 5322443661 is about 72955.0797477461. The cubic root of 5322443661 is about 1745.9709936018.

Adding to 5322443661 its reverse (1663442235), we get a palindrome (6985885896).

The spelling of 5322443661 in words is "five billion, three hundred twenty-two million, four hundred forty-three thousand, six hundred sixty-one".