254271664 has 10 divisors (see below), whose sum is σ = 492651380. Its totient is φ = 127135824.

The previous prime is 254271637. The next prime is 254271701. The reversal of 254271664 is 466172452.

254271664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×254271664² = 129308158226657792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7945974 + ... + 7946005.

It is an arithmetic number, because the mean of its divisors is an integer number (49265138).

Almost surely, 2^254271664 is an apocalyptic number.

It is an amenable number.

254271664 is a deficient number, since it is larger than the sum of its proper divisors (238379716).

254271664 is a wasteful number, since it uses less digits than its factorization.

254271664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15891987 (or 15891981 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 254271664 is about 15945.8980305281. The cubic root of 254271664 is about 633.5282541921.

The spelling of 254271664 in words is "two hundred fifty-four million, two hundred seventy-one thousand, six hundred sixty-four".