254667663 has 12 divisors (see below), whose sum is σ = 369704400. Its totient is φ = 168924096.

The previous prime is 254667653. The next prime is 254667683. The reversal of 254667663 is 366766452.

It is not a de Polignac number, because 254667663 - 2⁸ = 254667407 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254667653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69306 + ... + 72887.

It is an arithmetic number, because the mean of its divisors is an integer number (30808700).

Almost surely, 2^254667663 is an apocalyptic number.

254667663 is a deficient number, since it is larger than the sum of its proper divisors (115036737).

254667663 is a wasteful number, since it uses less digits than its factorization.

254667663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142398 (or 142395 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 254667663 is about 15958.3101549005. The cubic root of 254667663 is about 633.8569661775.

The spelling of 254667663 in words is "two hundred fifty-four million, six hundred sixty-seven thousand, six hundred sixty-three".