260417656 has 8 divisors (see below), whose sum is σ = 488283120. Its totient is φ = 130208824.

The previous prime is 260417579. The next prime is 260417659. The reversal of 260417656 is 656714062.

It is a happy number.

260417656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260417659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16276096 + ... + 16276111.

It is an arithmetic number, because the mean of its divisors is an integer number (61035390).

Almost surely, 2^260417656 is an apocalyptic number.

It is an amenable number.

260417656 is a deficient number, since it is larger than the sum of its proper divisors (227865464).

260417656 is a wasteful number, since it uses less digits than its factorization.

260417656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32552213 (or 32552209 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 260417656 is about 16137.4612625406. The cubic root of 260417656 is about 638.5920023381.

The spelling of 260417656 in words is "two hundred sixty million, four hundred seventeen thousand, six hundred fifty-six".