266055156 has 36 divisors (see below), whose sum is σ = 686841792. Its totient is φ = 86797584.

The previous prime is 266055121. The next prime is 266055199. The reversal of 266055156 is 651550662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 266055156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76930 + ... + 80313.

Almost surely, 2^266055156 is an apocalyptic number.

It is an amenable number.

266055156 is an abundant number, since it is smaller than the sum of its proper divisors (420786636).

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

266055156 is a wasteful number, since it uses less digits than its factorization.

266055156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157300 (or 157295 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 266055156 is about 16311.1972583253. The cubic root of 266055156 is about 643.1672072926.

The spelling of 266055156 in words is "two hundred sixty-six million, fifty-five thousand, one hundred fifty-six".