266401676 has 12 divisors (see below), whose sum is σ = 466349520. Its totient is φ = 133158960.

The previous prime is 266401669. The next prime is 266401699. The reversal of 266401676 is 676104662.

266401676 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×266401676³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7130 + ... + 24158.

It is an arithmetic number, because the mean of its divisors is an integer number (38862460).

Almost surely, 2^266401676 is an apocalyptic number.

It is an amenable number.

266401676 is a deficient number, since it is larger than the sum of its proper divisors (199947844).

266401676 is a wasteful number, since it uses less digits than its factorization.

266401676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20944 (or 20942 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 266401676 is about 16321.8159528896. The cubic root of 266401676 is about 643.4463143468.

The spelling of 266401676 in words is "two hundred sixty-six million, four hundred one thousand, six hundred seventy-six".