663467167 has 16 divisors (see below), whose sum is σ = 742769280. Its totient is φ = 587412000.

The previous prime is 663467159. The next prime is 663467173. The reversal of 663467167 is 761764366.

It is a cyclic number.

It is not a de Polignac number, because 663467167 - 2³ = 663467159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663467117) 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, 177417 + ... + 181117.

It is an arithmetic number, because the mean of its divisors is an integer number (46423080).

Almost surely, 2^663467167 is an apocalyptic number.

663467167 is a deficient number, since it is larger than the sum of its proper divisors (79302113).

663467167 is a wasteful number, since it uses less digits than its factorization.

663467167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134.

The product of its digits is 762048, while the sum is 46.

The square root of 663467167 is about 25757.8564131412. The cubic root of 663467167 is about 872.1807128867.

It can be divided in two parts, 6634 and 67167, that multiplied together give a triangular number (445585878 = T₂₉₈₅₂).

The spelling of 663467167 in words is "six hundred sixty-three million, four hundred sixty-seven thousand, one hundred sixty-seven".