266661060 has 48 divisors (see below), whose sum is σ = 764022336. Its totient is φ = 69455232.

The previous prime is 266661049. The next prime is 266661077. The reversal of 266661060 is 60166662.

It is a super-2 number, since 2×266661060² = 142216241840647200, which contains 22 as substring.

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, 49099 + ... + 54258.

It is an arithmetic number, because the mean of its divisors is an integer number (15917132).

Almost surely, 2^266661060 is an apocalyptic number.

266661060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266661060 is an abundant number, since it is smaller than the sum of its proper divisors (497361276).

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

266661060 is a wasteful number, since it uses less digits than its factorization.

266661060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103412 (or 103410 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 266661060 is about 16329.7599492460. The cubic root of 266661060 is about 643.6550787245.

The spelling of 266661060 in words is "two hundred sixty-six million, six hundred sixty-one thousand, sixty".