266404154 has 8 divisors (see below), whose sum is σ = 399772308. Its totient is φ = 133146720.

The previous prime is 266404153. The next prime is 266404163. The reversal of 266404154 is 451404662.

266404154 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 142683025 + 123721129 = 11945^2 + 11123^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 266404154.

It is not an unprimeable number, because it can be changed into a prime (266404153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21377 + ... + 31460.

Almost surely, 2^266404154 is an apocalyptic number.

266404154 is a deficient number, since it is larger than the sum of its proper divisors (133368154).

266404154 is a wasteful number, since it uses less digits than its factorization.

266404154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55360.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 266404154 is about 16321.8918633840. The cubic root of 266404154 is about 643.4483093980.

The spelling of 266404154 in words is "two hundred sixty-six million, four hundred four thousand, one hundred fifty-four".