4065632566 has 8 divisors (see below), whose sum is σ = 6125080320. Its totient is φ = 2023939128.

The previous prime is 4065632563. The next prime is 4065632567. The reversal of 4065632566 is 6652365604.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065632563) 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, 4438006 + ... + 4438921.

It is an arithmetic number, because the mean of its divisors is an integer number (765635040).

Almost surely, 2^4065632566 is an apocalyptic number.

4065632566 is a deficient number, since it is larger than the sum of its proper divisors (2059447754).

4065632566 is a wasteful number, since it uses less digits than its factorization.

4065632566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877158.

The product of its (nonzero) digits is 777600, while the sum is 43.

The square root of 4065632566 is about 63762.3130540290. The cubic root of 4065632566 is about 1596.0360948008.

The spelling of 4065632566 in words is "four billion, sixty-five million, six hundred thirty-two thousand, five hundred sixty-six".