266262606 has 16 divisors (see below), whose sum is σ = 591694800. Its totient is φ = 88754184.

The previous prime is 266262593. The next prime is 266262631. The reversal of 266262606 is 606262662.

It is a happy number.

266262606 is a `hidden beast` number, since 2 + 6 + 626 + 26 + 0 + 6 = 666.

It is a super-2 number, since 2×266262606² = 141791550707822472, which contains 22 as substring.

It is a congruent number.

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, 2465341 + ... + 2465448.

It is an arithmetic number, because the mean of its divisors is an integer number (36980925).

Almost surely, 2^266262606 is an apocalyptic number.

266262606 is an abundant number, since it is smaller than the sum of its proper divisors (325432194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266262606 is a wasteful number, since it uses less digits than its factorization.

266262606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930800 (or 4930794 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 266262606 is about 16317.5551477542. Note that the first 3 decimals coincide. The cubic root of 266262606 is about 643.3343284965.

The spelling of 266262606 in words is "two hundred sixty-six million, two hundred sixty-two thousand, six hundred six".