266544426152045 has 16 divisors (see below), whose sum is σ = 329008763623680. Its totient is φ = 207197185612224.

The previous prime is 266544426152027. The next prime is 266544426152077. The reversal of 266544426152045 is 540251624445662.

It is a cyclic number.

It is not a de Polignac number, because 266544426152045 - 2¹² = 266544426147949 is a prime.

It is a super-2 number, since 2×266544426152045² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079937122 + ... + 4080002451.

It is an arithmetic number, because the mean of its divisors is an integer number (20563047726480).

Almost surely, 2^{266544426152045} is an apocalyptic number.

It is an amenable number.

266544426152045 is a deficient number, since it is larger than the sum of its proper divisors (62464337471635).

266544426152045 is a wasteful number, since it uses less digits than its factorization.

266544426152045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159939764.

The product of its (nonzero) digits is 55296000, while the sum is 56.

The spelling of 266544426152045 in words is "two hundred sixty-six trillion, five hundred forty-four billion, four hundred twenty-six million, one hundred fifty-two thousand, forty-five".