866152718160023 has 16 divisors (see below), whose sum is σ = 1042010475594240. Its totient is φ = 703327042677600.

The previous prime is 866152718160007. The next prime is 866152718160029. The reversal of 866152718160023 is 320061817251668.

It is a cyclic number.

It is not a de Polignac number, because 866152718160023 - 2⁴ = 866152718160007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866152718160029) 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, 63254123 + ... + 75719148.

It is an arithmetic number, because the mean of its divisors is an integer number (65125654724640).

Almost surely, 2^{866152718160023} is an apocalyptic number.

866152718160023 is a deficient number, since it is larger than the sum of its proper divisors (175857757434217).

866152718160023 is a wasteful number, since it uses less digits than its factorization.

866152718160023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139020158.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 866152718160023 in words is "eight hundred sixty-six trillion, one hundred fifty-two billion, seven hundred eighteen million, one hundred sixty thousand, twenty-three".