663101166 has 32 divisors (see below), whose sum is σ = 1632250368. Its totient is φ = 174883680.

The previous prime is 663101147. The next prime is 663101183. The reversal of 663101166 is 661101366.

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 15 ways as a sum of consecutive naturals, for example, 606690 + ... + 607781.

It is an arithmetic number, because the mean of its divisors is an integer number (51007824).

Almost surely, 2^663101166 is an apocalyptic number.

663101166 is an abundant number, since it is smaller than the sum of its proper divisors (969149202).

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

663101166 is a wasteful number, since it uses less digits than its factorization.

663101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214496.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 663101166 is about 25750.7507851713. The cubic root of 663101166 is about 872.0203041803.

It can be divided in two parts, 66310 and 1166, that added together give a palindrome (67476).

The spelling of 663101166 in words is "six hundred sixty-three million, one hundred one thousand, one hundred sixty-six".