266258160 has 180 divisors, whose sum is σ = 1040310648. Its totient is φ = 60850944.

The previous prime is 266258147. The next prime is 266258197. The reversal of 266258160 is 61852662.

266258160 is a `hidden beast` number, since 26 + 625 + 8 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

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 35 ways as a sum of consecutive naturals, for example, 31507 + ... + 39053.

Almost surely, 2^266258160 is an apocalyptic number.

266258160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266258160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520155324).

266258160 is an abundant number, since it is smaller than the sum of its proper divisors (774052488).

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

266258160 is a wasteful number, since it uses less digits than its factorization.

266258160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580 (or 7564 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 266258160 is about 16317.4189135414. The cubic root of 266258160 is about 643.3307477203.

The spelling of 266258160 in words is "two hundred sixty-six million, two hundred fifty-eight thousand, one hundred sixty".