266133982 has 8 divisors (see below), whose sum is σ = 399722400. Its totient is φ = 132893184.

The previous prime is 266133979. The next prime is 266133991. The reversal of 266133982 is 289331662.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84982 + ... + 88057.

It is an arithmetic number, because the mean of its divisors is an integer number (49965300).

Almost surely, 2^266133982 is an apocalyptic number.

266133982 is a deficient number, since it is larger than the sum of its proper divisors (133588418).

266133982 is a wasteful number, since it uses less digits than its factorization.

266133982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173810.

The product of its digits is 93312, while the sum is 40.

The square root of 266133982 is about 16313.6133949533. The cubic root of 266133982 is about 643.2307195520.

The spelling of 266133982 in words is "two hundred sixty-six million, one hundred thirty-three thousand, nine hundred eighty-two".