663167422 has 4 divisors (see below), whose sum is σ = 994751136. Its totient is φ = 331583710.

The previous prime is 663167411. The next prime is 663167443. The reversal of 663167422 is 224761366.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165791854 + ... + 165791857.

It is an arithmetic number, because the mean of its divisors is an integer number (248687784).

Almost surely, 2^663167422 is an apocalyptic number.

663167422 is a deficient number, since it is larger than the sum of its proper divisors (331583714).

663167422 is a wasteful number, since it uses less digits than its factorization.

663167422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331583713.

The product of its digits is 72576, while the sum is 37.

The square root of 663167422 is about 25752.0372397991. The cubic root of 663167422 is about 872.0493468342.

The spelling of 663167422 in words is "six hundred sixty-three million, one hundred sixty-seven thousand, four hundred twenty-two".