266835945 has 8 divisors (see below), whose sum is σ = 426937536. Its totient is φ = 142312496.

The previous prime is 266835929. The next prime is 266835983. The reversal of 266835945 is 549538662.

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 266835945 - 2⁴ = 266835929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266835894 and 266835903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8894517 + ... + 8894546.

It is an arithmetic number, because the mean of its divisors is an integer number (53367192).

Almost surely, 2^266835945 is an apocalyptic number.

It is an amenable number.

266835945 is a deficient number, since it is larger than the sum of its proper divisors (160101591).

266835945 is a wasteful number, since it uses less digits than its factorization.

266835945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17789071.

The product of its digits is 1555200, while the sum is 48.

The square root of 266835945 is about 16335.1138655352. The cubic root of 266835945 is about 643.7957579565.

The spelling of 266835945 in words is "two hundred sixty-six million, eight hundred thirty-five thousand, nine hundred forty-five".