266041365045066 has 64 divisors (see below), whose sum is σ = 640360422455040. Its totient is φ = 81385708789440.

The previous prime is 266041365045047. The next prime is 266041365045077. The reversal of 266041365045066 is 660540563140662.

266041365045066 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 4 + 136 + 50 + 450 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1095185790 + ... + 1095428681.

It is an arithmetic number, because the mean of its divisors is an integer number (10005631600860).

Almost surely, 2^{266041365045066} is an apocalyptic number.

266041365045066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

266041365045066 is an abundant number, since it is smaller than the sum of its proper divisors (374319057409974).

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

266041365045066 is a wasteful number, since it uses less digits than its factorization.

266041365045066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190614668 (or 2190614662 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 266041365045066 in words is "two hundred sixty-six trillion, forty-one billion, three hundred sixty-five million, forty-five thousand, sixty-six".