266366402 has 8 divisors (see below), whose sum is σ = 399620496. Its totient is φ = 133159572.

The previous prime is 266366389. The next prime is 266366407. The reversal of 266366402 is 204663662.

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

It is a super-2 number, since 2×266366402² = 141902120228851208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266366407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11393 + ... + 25739.

It is an arithmetic number, because the mean of its divisors is an integer number (49952562).

Almost surely, 2^266366402 is an apocalyptic number.

266366402 is a deficient number, since it is larger than the sum of its proper divisors (133254094).

266366402 is a wasteful number, since it uses less digits than its factorization.

266366402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23632.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 266366402 is about 16320.7353388259. The cubic root of 266366402 is about 643.4179137157.

The spelling of 266366402 in words is "two hundred sixty-six million, three hundred sixty-six thousand, four hundred two".