5666264442 has 20 divisors (see below), whose sum is σ = 12696629946. Its totient is φ = 1888754760.

The previous prime is 5666264423. The next prime is 5666264447. The reversal of 5666264442 is 2444626665.

It can be written as a sum of positive squares in only one way, i.e., 3044722041 + 2621542401 = 55179^2 + 51201^2 .

It is not an unprimeable number, because it can be changed into a prime (5666264447) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17488309 + ... + 17488632.

Almost surely, 2^5666264442 is an apocalyptic number.

5666264442 is an abundant number, since it is smaller than the sum of its proper divisors (7030365504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5666264442 is a wasteful number, since it uses less digits than its factorization.

5666264442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34976955 (or 34976946 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 5666264442 is about 75274.5936023570. The cubic root of 5666264442 is about 1782.7848972369.

It can be divided in two parts, 56662 and 64442, that added together give a square (121104 = 348²).

The spelling of 5666264442 in words is "five billion, six hundred sixty-six million, two hundred sixty-four thousand, four hundred forty-two".