266052143053464 has 32 divisors (see below), whose sum is σ = 665130789655920. Its totient is φ = 88683990081536.

The previous prime is 266052143053457. The next prime is 266052143053469. The reversal of 266052143053464 is 464350341250662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266052143053469) 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, 51048952 + ... + 56018744.

Almost surely, 2^{266052143053464} is an apocalyptic number.

266052143053464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266052143053464 is an abundant number, since it is smaller than the sum of its proper divisors (399078646602456).

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

266052143053464 is a wasteful number, since it uses less digits than its factorization.

266052143053464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200379 (or 7200375 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 266052143053464 in words is "two hundred sixty-six trillion, fifty-two billion, one hundred forty-three million, fifty-three thousand, four hundred sixty-four".