266875632 has 60 divisors (see below), whose sum is σ = 772647720. Its totient is φ = 85889664.

The previous prime is 266875619. The next prime is 266875649. The reversal of 266875632 is 236578662.

It is a happy number.

266875632 is a `hidden beast` number, since 2 + 6 + 6 + 8 + 7 + 5 + 632 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27778 + ... + 36129.

It is an arithmetic number, because the mean of its divisors is an integer number (12877462).

Almost surely, 2^266875632 is an apocalyptic number.

It is an amenable number.

266875632 is an abundant number, since it is smaller than the sum of its proper divisors (505772088).

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

266875632 is a wasteful number, since it uses less digits than its factorization.

266875632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63950 (or 63941 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 266875632 is about 16336.3285961075. The cubic root of 266875632 is about 643.8276740159.

The spelling of 266875632 in words is "two hundred sixty-six million, eight hundred seventy-five thousand, six hundred thirty-two".