266148994 has 8 divisors (see below), whose sum is σ = 399520908. Its totient is φ = 132975360.

The previous prime is 266148989. The next prime is 266149001. The reversal of 266148994 is 499841662.

266148994 is digitally balanced in base 3, 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 2 ways, for example, as 241398369 + 24750625 = 15537^2 + 4975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46167 + ... + 51610.

Almost surely, 2^266148994 is an apocalyptic number.

266148994 is a deficient number, since it is larger than the sum of its proper divisors (133371914).

266148994 is a wasteful number, since it uses less digits than its factorization.

266148994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99140.

The product of its digits is 746496, while the sum is 49.

The square root of 266148994 is about 16314.0734949920. The cubic root of 266148994 is about 643.2428137084.

The spelling of 266148994 in words is "two hundred sixty-six million, one hundred forty-eight thousand, nine hundred ninety-four".