260087664 has 20 divisors (see below), whose sum is σ = 671893256. Its totient is φ = 86695872.

The previous prime is 260087651. The next prime is 260087677. The reversal of 260087664 is 466780062.

260087664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (260087651) and next prime (260087677).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709199 + ... + 2709294.

Almost surely, 2^260087664 is an apocalyptic number.

260087664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

260087664 is an abundant number, since it is smaller than the sum of its proper divisors (411805592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260087664 is a wasteful number, since it uses less digits than its factorization.

260087664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418504 (or 5418498 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 260087664 is about 16127.2336127434. The cubic root of 260087664 is about 638.3221546276.

The spelling of 260087664 in words is "two hundred sixty million, eighty-seven thousand, six hundred sixty-four".