663627117 has 16 divisors (see below), whose sum is σ = 932933120. Its totient is φ = 418446000.

The previous prime is 663627101. The next prime is 663627163. The reversal of 663627117 is 711726366.

It is not a de Polignac number, because 663627117 - 2⁴ = 663627101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663627187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26742 + ... + 45192.

It is an arithmetic number, because the mean of its divisors is an integer number (58308320).

Almost surely, 2^663627117 is an apocalyptic number.

It is an amenable number.

663627117 is a deficient number, since it is larger than the sum of its proper divisors (269306003).

663627117 is a wasteful number, since it uses less digits than its factorization.

663627117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104.

The product of its digits is 63504, while the sum is 39.

The square root of 663627117 is about 25760.9611039650. The cubic root of 663627117 is about 872.2507962823.

The spelling of 663627117 in words is "six hundred sixty-three million, six hundred twenty-seven thousand, one hundred seventeen".