266043541414434 has 192 divisors, whose sum is σ = 657823322407680. Its totient is φ = 71273499709440.

The previous prime is 266043541414433. The next prime is 266043541414459. The reversal of 266043541414434 is 434414145340662.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (266043541414433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1666118419 + ... + 1666278089.

It is an arithmetic number, because the mean of its divisors is an integer number (3426163137540).

Almost surely, 2^{266043541414434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266043541414434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328911661203840).

266043541414434 is an abundant number, since it is smaller than the sum of its proper divisors (391779780993246).

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

266043541414434 is a wasteful number, since it uses less digits than its factorization.

266043541414434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160953 (or 160946 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 51.

The spelling of 266043541414434 in words is "two hundred sixty-six trillion, forty-three billion, five hundred forty-one million, four hundred fourteen thousand, four hundred thirty-four".