260617866 has 16 divisors (see below), whose sum is σ = 521400000. Its totient is φ = 86845248.

The previous prime is 260617849. The next prime is 260617879. The reversal of 260617866 is 668716062.

It is a happy number.

260617866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 25650 + ... + 34338.

It is an arithmetic number, because the mean of its divisors is an integer number (32587500).

Almost surely, 2^260617866 is an apocalyptic number.

260617866 is an abundant number, since it is smaller than the sum of its proper divisors (260782134).

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

260617866 is a wasteful number, since it uses less digits than its factorization.

260617866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 260617866 is about 16143.6633389079. The cubic root of 260617866 is about 638.7556110020.

The spelling of 260617866 in words is "two hundred sixty million, six hundred seventeen thousand, eight hundred sixty-six".