663794114 has 4 divisors (see below), whose sum is σ = 995691174. Its totient is φ = 331897056.

The previous prime is 663794111. The next prime is 663794177. The reversal of 663794114 is 411497366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 424566025 + 239228089 = 20605^2 + 15467^2 .

It is not an unprimeable number, because it can be changed into a prime (663794111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165948527 + ... + 165948530.

Almost surely, 2^663794114 is an apocalyptic number.

663794114 is a deficient number, since it is larger than the sum of its proper divisors (331897060).

663794114 is a wasteful number, since it uses less digits than its factorization.

663794114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331897059.

The product of its digits is 108864, while the sum is 41.

The square root of 663794114 is about 25764.2021805450. The cubic root of 663794114 is about 872.3239553631.

The spelling of 663794114 in words is "six hundred sixty-three million, seven hundred ninety-four thousand, one hundred fourteen".