266010145322550 has 48 divisors (see below), whose sum is σ = 659706724890192. Its totient is φ = 70935870528000.

The previous prime is 266010145322543. The next prime is 266010145322567. The reversal of 266010145322550 is 55223541010662.

It is a super-2 number, since 2×266010145322550² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69447450 + ... + 73177650.

It is an arithmetic number, because the mean of its divisors is an integer number (13743890101879).

Almost surely, 2^{266010145322550} is an apocalyptic number.

266010145322550 is an abundant number, since it is smaller than the sum of its proper divisors (393696579567642).

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

266010145322550 is a wasteful number, since it uses less digits than its factorization.

266010145322550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205633 (or 4205628 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 266010145322550 in words is "two hundred sixty-six trillion, ten billion, one hundred forty-five million, three hundred twenty-two thousand, five hundred fifty".