266670550701 has 10 divisors (see below), whose sum is σ = 398359711662. Its totient is φ = 177780367080.

The previous prime is 266670550681. The next prime is 266670550777. The reversal of 266670550701 is 107055076662.

It can be written as a sum of positive squares in only one way, i.e., 263076668100 + 3593882601 = 512910^2 + 59949^2 .

It is not a de Polignac number, because 266670550701 - 2⁹ = 266670550189 is a prime.

It is a super-2 number, since 2×266670550701² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266670550801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1646114430 + ... + 1646114591.

Almost surely, 2^266670550701 is an apocalyptic number.

It is an amenable number.

266670550701 is a deficient number, since it is larger than the sum of its proper divisors (131689160961).

266670550701 is an equidigital number, since it uses as much as digits as its factorization.

266670550701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292229033 (or 3292229024 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 266670550701 in words is "two hundred sixty-six billion, six hundred seventy million, five hundred fifty thousand, seven hundred one".