266478612 has 24 divisors (see below), whose sum is σ = 625748256. Its totient is φ = 88259808.

The previous prime is 266478607. The next prime is 266478623. The reversal of 266478612 is 216874662.

266478612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 68838 + ... + 72605.

It is an arithmetic number, because the mean of its divisors is an integer number (26072844).

Almost surely, 2^266478612 is an apocalyptic number.

It is an amenable number.

266478612 is an abundant number, since it is smaller than the sum of its proper divisors (359269644).

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

266478612 is a wasteful number, since it uses less digits than its factorization.

266478612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141607 (or 141605 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 266478612 is about 16324.1726283448. The cubic root of 266478612 is about 643.5082501694.

The spelling of 266478612 in words is "two hundred sixty-six million, four hundred seventy-eight thousand, six hundred twelve".