266706036 has 36 divisors (see below), whose sum is σ = 675222912. Its totient is φ = 88763664.

The previous prime is 266706031. The next prime is 266706043. The reversal of 266706036 is 630607662.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×266706036² = 142264219277666592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266706031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19165 + ... + 30011.

It is an arithmetic number, because the mean of its divisors is an integer number (18756192).

Almost surely, 2^266706036 is an apocalyptic number.

It is an amenable number.

266706036 is an abundant number, since it is smaller than the sum of its proper divisors (408516876).

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

266706036 is a wasteful number, since it uses less digits than its factorization.

266706036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540 (or 11535 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 266706036 is about 16331.1370087940. The cubic root of 266706036 is about 643.6912637396.

The spelling of 266706036 in words is "two hundred sixty-six million, seven hundred six thousand, thirty-six".