866132710345752 has 32 divisors (see below), whose sum is σ = 2165339902620480. Its totient is φ = 288709819881120.

The previous prime is 866132710345739. The next prime is 866132710345783. The reversal of 866132710345752 is 257543017231668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61182178 + ... + 73996785.

It is an arithmetic number, because the mean of its divisors is an integer number (67666871956890).

Almost surely, 2^{866132710345752} is an apocalyptic number.

It is an amenable number.

866132710345752 is an abundant number, since it is smaller than the sum of its proper divisors (1299207192274728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866132710345752 is a wasteful number, since it uses less digits than its factorization.

866132710345752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135445943 (or 135445939 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 866132710345752 in words is "eight hundred sixty-six trillion, one hundred thirty-two billion, seven hundred ten million, three hundred forty-five thousand, seven hundred fifty-two".