63544101166 has 64 divisors (see below), whose sum is σ = 120301526016. Its totient is φ = 24499065600.

The previous prime is 63544101157. The next prime is 63544101193. The reversal of 63544101166 is 66110144536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7928101 + ... + 7936111.

It is an arithmetic number, because the mean of its divisors is an integer number (1879711344).

Almost surely, 2^63544101166 is an apocalyptic number.

63544101166 is a deficient number, since it is larger than the sum of its proper divisors (56757424850).

63544101166 is a wasteful number, since it uses less digits than its factorization.

63544101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 63544101166 in words is "sixty-three billion, five hundred forty-four million, one hundred one thousand, one hundred sixty-six".