266813148 has 48 divisors (see below), whose sum is σ = 712502784. Its totient is φ = 76125120.

The previous prime is 266813119. The next prime is 266813159. The reversal of 266813148 is 841318662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72718 + ... + 76298.

It is an arithmetic number, because the mean of its divisors is an integer number (14843808).

Almost surely, 2^266813148 is an apocalyptic number.

266813148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

266813148 is an abundant number, since it is smaller than the sum of its proper divisors (445689636).

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

266813148 is a wasteful number, since it uses less digits than its factorization.

266813148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482 (or 4480 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 266813148 is about 16334.4160593515. The cubic root of 266813148 is about 643.7774233078. Note that the first 3 decimals are identical.

The spelling of 266813148 in words is "two hundred sixty-six million, eight hundred thirteen thousand, one hundred forty-eight".