260664652 has 6 divisors (see below), whose sum is σ = 456163148. Its totient is φ = 130332324.

The previous prime is 260664641. The next prime is 260664659. The reversal of 260664652 is 256466062.

It is a happy number.

It is a super-2 number, since 2×260664652² = 135892121604562208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260664659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32583078 + ... + 32583085.

Almost surely, 2^260664652 is an apocalyptic number.

It is an amenable number.

260664652 is a deficient number, since it is larger than the sum of its proper divisors (195498496).

260664652 is a wasteful number, since it uses less digits than its factorization.

260664652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65166167 (or 65166165 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 260664652 is about 16145.1123254067. The cubic root of 260664652 is about 638.7938317533.

The spelling of 260664652 in words is "two hundred sixty million, six hundred sixty-four thousand, six hundred fifty-two".