63672839566 has 8 divisors (see below), whose sum is σ = 109153439280. Its totient is φ = 27288359808.

The previous prime is 63672839561. The next prime is 63672839579. The reversal of 63672839566 is 66593827636.

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 (63672839561) 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, 2274029971 + ... + 2274029998.

It is an arithmetic number, because the mean of its divisors is an integer number (13644179910).

Almost surely, 2^63672839566 is an apocalyptic number.

63672839566 is a deficient number, since it is larger than the sum of its proper divisors (45480599714).

63672839566 is a wasteful number, since it uses less digits than its factorization.

63672839566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548059978.

The product of its digits is 58786560, while the sum is 61.

The spelling of 63672839566 in words is "sixty-three billion, six hundred seventy-two million, eight hundred thirty-nine thousand, five hundred sixty-six".