266611068 has 48 divisors (see below), whose sum is σ = 731878560. Its totient is φ = 83642112.

The previous prime is 266611049. The next prime is 266611073. The reversal of 266611068 is 860116662.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70771 + ... + 74442.

It is an arithmetic number, because the mean of its divisors is an integer number (15247470).

Almost surely, 2^266611068 is an apocalyptic number.

It is an amenable number.

266611068 is an abundant number, since it is smaller than the sum of its proper divisors (465267492).

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

266611068 is a wasteful number, since it uses less digits than its factorization.

266611068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145243 (or 145235 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 266611068 is about 16328.2291752658. The cubic root of 266611068 is about 643.6148533591.

The spelling of 266611068 in words is "two hundred sixty-six million, six hundred eleven thousand, sixty-eight".