266245514601 has 16 divisors (see below), whose sum is σ = 395505911808. Its totient is φ = 157927706000.

The previous prime is 266245514593. The next prime is 266245514609. The reversal of 266245514601 is 106415542662.

It is an interprime number because it is at equal distance from previous prime (266245514593) and next prime (266245514609).

It is a cyclic number.

It is not a de Polignac number, because 266245514601 - 2³ = 266245514593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266245514609) 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 15 ways as a sum of consecutive naturals, for example, 85828725 + ... + 85831826.

It is an arithmetic number, because the mean of its divisors is an integer number (24719119488).

Almost surely, 2^266245514601 is an apocalyptic number.

It is an amenable number.

266245514601 is a deficient number, since it is larger than the sum of its proper divisors (129260397207).

266245514601 is a wasteful number, since it uses less digits than its factorization.

266245514601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171660612.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 266245514601 in words is "two hundred sixty-six billion, two hundred forty-five million, five hundred fourteen thousand, six hundred one".