260063664 has 40 divisors (see below), whose sum is σ = 767808000. Its totient is φ = 74303808.

The previous prime is 260063641. The next prime is 260063717. The reversal of 260063664 is 466360062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386664 + ... + 387335.

It is an arithmetic number, because the mean of its divisors is an integer number (19195200).

Almost surely, 2^260063664 is an apocalyptic number.

260063664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

260063664 is an abundant number, since it is smaller than the sum of its proper divisors (507744336).

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

260063664 is a wasteful number, since it uses less digits than its factorization.

260063664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774017 (or 774011 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 260063664 is about 16126.4895126001. The cubic root of 260063664 is about 638.3025199620.

The spelling of 260063664 in words is "two hundred sixty million, sixty-three thousand, six hundred sixty-four".