260265663 has 32 divisors (see below), whose sum is σ = 451422720. Its totient is φ = 145091520.

The previous prime is 260265661. The next prime is 260265679. The reversal of 260265663 is 366562062.

It is not a de Polignac number, because 260265663 - 2¹ = 260265661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260265661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9045 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (14106960).

Almost surely, 2^260265663 is an apocalyptic number.

260265663 is a deficient number, since it is larger than the sum of its proper divisors (191157057).

260265663 is a wasteful number, since it uses less digits than its factorization.

260265663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33644 (or 33638 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 260265663 is about 16132.7512532736. The cubic root of 260265663 is about 638.4677398935.

It can be divided in two parts, 2602 and 65663, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 260265663 in words is "two hundred sixty million, two hundred sixty-five thousand, six hundred sixty-three".