266145018 has 8 divisors (see below), whose sum is σ = 532290048. Its totient is φ = 88715004.

The previous prime is 266145007. The next prime is 266145023. The reversal of 266145018 is 810541662.

It is a sphenic number, since it is the product of 3 distinct primes.

266145018 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 266145018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22178746 + ... + 22178757.

It is an arithmetic number, because the mean of its divisors is an integer number (66536256).

Almost surely, 2^266145018 is an apocalyptic number.

266145018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266145018 is a wasteful number, since it uses less digits than its factorization.

266145018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44357508.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 266145018 is about 16313.9516365594. The cubic root of 266145018 is about 643.2396105575.

The spelling of 266145018 in words is "two hundred sixty-six million, one hundred forty-five thousand, eighteen".