266115632 has 20 divisors (see below), whose sum is σ = 516246720. Its totient is φ = 132890688.

The previous prime is 266115613. The next prime is 266115649. The reversal of 266115632 is 236511662.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233 + ... + 23295.

It is an arithmetic number, because the mean of its divisors is an integer number (25812336).

Almost surely, 2^266115632 is an apocalyptic number.

It is an amenable number.

266115632 is a deficient number, since it is larger than the sum of its proper divisors (250131088).

266115632 is a wasteful number, since it uses less digits than its factorization.

266115632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20900 (or 20894 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 266115632 is about 16313.0509715381. The cubic root of 266115632 is about 643.2159355762.

The spelling of 266115632 in words is "two hundred sixty-six million, one hundred fifteen thousand, six hundred thirty-two".