266084945 has 48 divisors (see below), whose sum is σ = 385981200. Its totient is φ = 175440384.

The previous prime is 266084933. The next prime is 266084977. The reversal of 266084945 is 549480662.

266084945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 17581249 + 248503696 = 4193^2 + 15764^2 .

It is not a de Polignac number, because 266084945 - 2⁶ = 266084881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266084896 and 266084905.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1350587 + ... + 1350783.

It is an arithmetic number, because the mean of its divisors is an integer number (8041275).

Almost surely, 2^266084945 is an apocalyptic number.

It is an amenable number.

266084945 is a deficient number, since it is larger than the sum of its proper divisors (119896255).

266084945 is a wasteful number, since it uses less digits than its factorization.

266084945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 266084945 is about 16312.1103784887. The cubic root of 266084945 is about 643.1912105773.

The spelling of 266084945 in words is "two hundred sixty-six million, eighty-four thousand, nine hundred forty-five".