63606348666 has 48 divisors (see below), whose sum is σ = 159495148800. Its totient is φ = 17943198624.

The previous prime is 63606348653. The next prime is 63606348677. The reversal of 63606348666 is 66684360636.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3185061 + ... + 3204968.

It is an arithmetic number, because the mean of its divisors is an integer number (3322815600).

Almost surely, 2^63606348666 is an apocalyptic number.

63606348666 is an abundant number, since it is smaller than the sum of its proper divisors (95888800134).

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

63606348666 is a wasteful number, since it uses less digits than its factorization.

63606348666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390123 (or 6390120 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 54.

The spelling of 63606348666 in words is "sixty-three billion, six hundred six million, three hundred forty-eight thousand, six hundred sixty-six".