63315802166 has 8 divisors (see below), whose sum is σ = 94980577104. Its totient is φ = 31655609800.

The previous prime is 63315802163. The next prime is 63315802177. The reversal of 63315802166 is 66120851336.

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 (63315802163) 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, 1110890 + ... + 1166493.

It is an arithmetic number, because the mean of its divisors is an integer number (11872572138).

Almost surely, 2^63315802166 is an apocalyptic number.

63315802166 is a deficient number, since it is larger than the sum of its proper divisors (31664774938).

63315802166 is a wasteful number, since it uses less digits than its factorization.

63315802166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291286.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 63315802166 in words is "sixty-three billion, three hundred fifteen million, eight hundred two thousand, one hundred sixty-six".