266161374 has 12 divisors (see below), whose sum is σ = 576683016. Its totient is φ = 88720452.

The previous prime is 266161339. The next prime is 266161397. The reversal of 266161374 is 473161662.

It is a happy number.

266161374 is a `hidden beast` number, since 2 + 6 + 616 + 1 + 37 + 4 = 666.

266161374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7393354 + ... + 7393389.

It is an arithmetic number, because the mean of its divisors is an integer number (48056918).

Almost surely, 2^266161374 is an apocalyptic number.

266161374 is an abundant number, since it is smaller than the sum of its proper divisors (310521642).

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

266161374 is a wasteful number, since it uses less digits than its factorization.

266161374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786751 (or 14786748 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 266161374 is about 16314.4529175820. The cubic root of 266161374 is about 643.2527870976.

The spelling of 266161374 in words is "two hundred sixty-six million, one hundred sixty-one thousand, three hundred seventy-four".