5666542464 has 256 divisors, whose sum is σ = 17149708800. Its totient is φ = 1642045440.

The previous prime is 5666542423. The next prime is 5666542529. The reversal of 5666542464 is 4642456665.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20456694 + ... + 20456970.

It is an arithmetic number, because the mean of its divisors is an integer number (66991050).

Almost surely, 2^5666542464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5666542464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8574854400).

5666542464 is an abundant number, since it is smaller than the sum of its proper divisors (11483166336).

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

5666542464 is a wasteful number, since it uses less digits than its factorization.

5666542464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 489 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 48.

The square root of 5666542464 is about 75276.4402984094. The cubic root of 5666542464 is about 1782.8140549134.

The spelling of 5666542464 in words is "five billion, six hundred sixty-six million, five hundred forty-two thousand, four hundred sixty-four".