266004161300645 has 32 divisors (see below), whose sum is σ = 329858732851200. Its totient is φ = 205715764941120.

The previous prime is 266004161300617. The next prime is 266004161300681. The reversal of 266004161300645 is 546003161400662.

It is not a de Polignac number, because 266004161300645 - 2¹⁸ = 266004161038501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266004161300596 and 266004161300605.

It is a congruent number.

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, 1061161694 + ... + 1061412336.

It is an arithmetic number, because the mean of its divisors is an integer number (10308085401600).

Almost surely, 2^{266004161300645} is an apocalyptic number.

It is an amenable number.

266004161300645 is a deficient number, since it is larger than the sum of its proper divisors (63854571550555).

266004161300645 is a wasteful number, since it uses less digits than its factorization.

266004161300645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258065.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 266004161300645 in words is "two hundred sixty-six trillion, four billion, one hundred sixty-one million, three hundred thousand, six hundred forty-five".