266143053 has 8 divisors (see below), whose sum is σ = 387117216. Its totient is φ = 161298800.

The previous prime is 266143043. The next prime is 266143123. The reversal of 266143053 is 350341662.

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

It is a cyclic number.

It is not a de Polignac number, because 266143053 - 2⁴ = 266143037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266143053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266143043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4032438 + ... + 4032503.

It is an arithmetic number, because the mean of its divisors is an integer number (48389652).

Almost surely, 2^266143053 is an apocalyptic number.

It is an amenable number.

266143053 is a deficient number, since it is larger than the sum of its proper divisors (120974163).

266143053 is a wasteful number, since it uses less digits than its factorization.

266143053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064955.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 266143053 is about 16313.8914119225. The cubic root of 266143053 is about 643.2380274996.

The spelling of 266143053 in words is "two hundred sixty-six million, one hundred forty-three thousand, fifty-three".