259467664 has 15 divisors (see below), whose sum is σ = 502843467. Its totient is φ = 129701616.

The previous prime is 259467631. The next prime is 259467673. The reversal of 259467664 is 466764952.

The square root of 259467664 is 16108.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 62419 + ... + 66445.

Almost surely, 2^259467664 is an apocalyptic number.

259467664 is the 16108-th square number.

It is an amenable number.

259467664 is a deficient number, since it is larger than the sum of its proper divisors (243375803).

259467664 is an frugal number, since it uses more digits than its factorization.

259467664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062 (or 4029 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The cubic root of 259467664 is about 637.8145377994.

Multiplying 259467664 by its sum of digits (49), we get a square (12713915536 = 112756²).

The spelling of 259467664 in words is "two hundred fifty-nine million, four hundred sixty-seven thousand, six hundred sixty-four".