266087094 has 128 divisors (see below), whose sum is σ = 702535680. Its totient is φ = 65193984.

The previous prime is 266087057. The next prime is 266087099. The reversal of 266087094 is 490780662.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266087099) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1011607 + ... + 1011869.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^266087094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266087094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351267840).

266087094 is an abundant number, since it is smaller than the sum of its proper divisors (436448586).

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

266087094 is a wasteful number, since it uses less digits than its factorization.

266087094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 266087094 is about 16312.1762496609. The cubic root of 266087094 is about 643.1929421223.

The spelling of 266087094 in words is "two hundred sixty-six million, eighty-seven thousand, ninety-four".