242166411266 has 8 divisors (see below), whose sum is σ = 391191895164. Its totient is φ = 111769112880.

The previous prime is 242166411251. The next prime is 242166411313. The reversal of 242166411266 is 662114661242.

It can be written as a sum of positive squares in 2 ways, for example, as 198979337041 + 43187074225 = 446071^2 + 207815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4657046345 + ... + 4657046396.

Almost surely, 2^242166411266 is an apocalyptic number.

242166411266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242166411266 is a deficient number, since it is larger than the sum of its proper divisors (149025483898).

242166411266 is a wasteful number, since it uses less digits than its factorization.

242166411266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314092756.

The product of its digits is 165888, while the sum is 41.

The spelling of 242166411266 in words is "two hundred forty-two billion, one hundred sixty-six million, four hundred eleven thousand, two hundred sixty-six".