254620664 has 16 divisors (see below), whose sum is σ = 480054120. Its totient is φ = 126606240.

The previous prime is 254620661. The next prime is 254620669. The reversal of 254620664 is 466026452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254620661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86474 + ... + 89369.

Almost surely, 2^254620664 is an apocalyptic number.

It is an amenable number.

254620664 is a deficient number, since it is larger than the sum of its proper divisors (225433456).

254620664 is a wasteful number, since it uses less digits than its factorization.

254620664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176030 (or 176026 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 254620664 is about 15956.8375312905. The cubic root of 254620664 is about 633.8179709421.

The spelling of 254620664 in words is "two hundred fifty-four million, six hundred twenty thousand, six hundred sixty-four".