5666390525 has 24 divisors (see below), whose sum is σ = 7080213504. Its totient is φ = 4498459200.

The previous prime is 5666390497. The next prime is 5666390549. The reversal of 5666390525 is 5250936665.

It is not a de Polignac number, because 5666390525 - 2¹⁰ = 5666389501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5666390525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2745644 + ... + 2747706.

It is an arithmetic number, because the mean of its divisors is an integer number (295008896).

Almost surely, 2^5666390525 is an apocalyptic number.

It is an amenable number.

5666390525 is a deficient number, since it is larger than the sum of its proper divisors (1413822979).

5666390525 is a wasteful number, since it uses less digits than its factorization.

5666390525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 47.

The square root of 5666390525 is about 75275.4310847836. The cubic root of 5666390525 is about 1782.7981203638.

The spelling of 5666390525 in words is "five billion, six hundred sixty-six million, three hundred ninety thousand, five hundred twenty-five".