266606436 has 48 divisors (see below), whose sum is σ = 643563648. Its totient is φ = 85843200.

The previous prime is 266606411. The next prime is 266606441. The reversal of 266606436 is 634606662.

It is a junction number, because it is equal to n+sod(n) for n = 266606394 and 266606403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48046 + ... + 53306.

It is an arithmetic number, because the mean of its divisors is an integer number (13407576).

Almost surely, 2^266606436 is an apocalyptic number.

It is an amenable number.

266606436 is an abundant number, since it is smaller than the sum of its proper divisors (376957212).

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

266606436 is a wasteful number, since it uses less digits than its factorization.

266606436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 266606436 is about 16328.0873344063. The cubic root of 266606436 is about 643.6111260304.

The spelling of 266606436 in words is "two hundred sixty-six million, six hundred six thousand, four hundred thirty-six".