260442202666 has 16 divisors (see below), whose sum is σ = 397377343008. Its totient is φ = 127986418800.

The previous prime is 260442202597. The next prime is 260442202693. The reversal of 260442202666 is 666202244062.

It is a happy number.

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, 675420 + ... + 988471.

It is an arithmetic number, because the mean of its divisors is an integer number (24836083938).

Almost surely, 2^260442202666 is an apocalyptic number.

260442202666 is a deficient number, since it is larger than the sum of its proper divisors (136935140342).

260442202666 is a wasteful number, since it uses less digits than its factorization.

260442202666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665237.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 260442202666 in words is "two hundred sixty billion, four hundred forty-two million, two hundred two thousand, six hundred sixty-six".