8063383661 has 4 divisors (see below), whose sum is σ = 8107932924. Its totient is φ = 8018834400.

The previous prime is 8063383651. The next prime is 8063383687. The reversal of 8063383661 is 1663833608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353665636 + 7709718025 = 18806^2 + 87805^2 .

It is a cyclic number.

It is not a de Polignac number, because 8063383661 - 2¹⁰ = 8063382637 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 (8063383651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22274360 + ... + 22274721.

It is an arithmetic number, because the mean of its divisors is an integer number (2026983231).

Almost surely, 2^8063383661 is an apocalyptic number.

It is an amenable number.

8063383661 is a deficient number, since it is larger than the sum of its proper divisors (44549263).

8063383661 is a wasteful number, since it uses less digits than its factorization.

8063383661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44549262.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 8063383661 is about 89796.3454768623. The cubic root of 8063383661 is about 2005.2680832160.

The spelling of 8063383661 in words is "eight billion, sixty-three million, three hundred eighty-three thousand, six hundred sixty-one".