5645466566 has 8 divisors (see below), whose sum is σ = 8611728840. Its totient is φ = 2774890288.

The previous prime is 5645466509. The next prime is 5645466571. The reversal of 5645466566 is 6656645465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23921351 + ... + 23921586.

It is an arithmetic number, because the mean of its divisors is an integer number (1076466105).

Almost surely, 2^5645466566 is an apocalyptic number.

5645466566 is a deficient number, since it is larger than the sum of its proper divisors (2966262274).

5645466566 is a wasteful number, since it uses less digits than its factorization.

5645466566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47842998.

The product of its digits is 15552000, while the sum is 53.

The square root of 5645466566 is about 75136.3198859247. The cubic root of 5645466566 is about 1780.6010012374.

The spelling of 5645466566 in words is "five billion, six hundred forty-five million, four hundred sixty-six thousand, five hundred sixty-six".