260422336666 has 4 divisors (see below), whose sum is σ = 390633505002. Its totient is φ = 130211168332.

The previous prime is 260422336663. The next prime is 260422336667. The reversal of 260422336666 is 666633224062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 260176505625 + 245831041 = 510075^2 + 15679^2 .

It is not an unprimeable number, because it can be changed into a prime (260422336663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65105584165 + ... + 65105584168.

Almost surely, 2^260422336666 is an apocalyptic number.

260422336666 is a deficient number, since it is larger than the sum of its proper divisors (130211168336).

260422336666 is a wasteful number, since it uses less digits than its factorization.

260422336666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130211168335.

The product of its (nonzero) digits is 2239488, while the sum is 46.

The spelling of 260422336666 in words is "two hundred sixty billion, four hundred twenty-two million, three hundred thirty-six thousand, six hundred sixty-six".