266668801 has 8 divisors (see below), whose sum is σ = 305740544. Its totient is φ = 227841120.

The previous prime is 266668799. The next prime is 266668823. The reversal of 266668801 is 108866662.

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

It is a cyclic number.

It is not a de Polignac number, because 266668801 - 2¹ = 266668799 is a prime.

It is a super-2 number, since 2×266668801² = 142224498853555202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266668861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58665 + ... + 63046.

It is an arithmetic number, because the mean of its divisors is an integer number (38217568).

Almost surely, 2^266668801 is an apocalyptic number.

It is an amenable number.

266668801 is a deficient number, since it is larger than the sum of its proper divisors (39071743).

266668801 is a wasteful number, since it uses less digits than its factorization.

266668801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122031.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 266668801 is about 16329.9969687689. The cubic root of 266668801 is about 643.6613069627.

The spelling of 266668801 in words is "two hundred sixty-six million, six hundred sixty-eight thousand, eight hundred one".