5666787501 has 4 divisors (see below), whose sum is σ = 7555716672. Its totient is φ = 3777858332.

The previous prime is 5666787493. The next prime is 5666787521. The reversal of 5666787501 is 1057876665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5666787501 - 2³ = 5666787493 is a prime.

It is a super-2 number, since 2×5666787501² = 64224961162979650002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666787521) 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, 944464581 + ... + 944464586.

It is an arithmetic number, because the mean of its divisors is an integer number (1888929168).

Almost surely, 2^5666787501 is an apocalyptic number.

It is an amenable number.

5666787501 is a deficient number, since it is larger than the sum of its proper divisors (1888929171).

5666787501 is a wasteful number, since it uses less digits than its factorization.

5666787501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888929170.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 5666787501 is about 75278.0678617617. The cubic root of 5666787501 is about 1782.8397524832.

The spelling of 5666787501 in words is "five billion, six hundred sixty-six million, seven hundred eighty-seven thousand, five hundred one".