866232366856470 has 24 divisors (see below), whose sum is σ = 2252204153827056. Its totient is φ = 230995297828368.

The previous prime is 866232366856463. The next prime is 866232366856471. The reversal of 866232366856470 is 74658663232668.

866232366856470 is a `hidden beast` number, since 8 + 6 + 6 + 23 + 2 + 36 + 6 + 8 + 564 + 7 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866232366856471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4812402038002 + ... + 4812402038181.

It is an arithmetic number, because the mean of its divisors is an integer number (93841839742794).

Almost surely, 2^{866232366856470} is an apocalyptic number.

866232366856470 is an abundant number, since it is smaller than the sum of its proper divisors (1385971786970586).

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

866232366856470 is a wasteful number, since it uses less digits than its factorization.

866232366856470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624804076196 (or 9624804076193 counting only the distinct ones).

The product of its (nonzero) digits is 2508226560, while the sum is 72.

The spelling of 866232366856470 in words is "eight hundred sixty-six trillion, two hundred thirty-two billion, three hundred sixty-six million, eight hundred fifty-six thousand, four hundred seventy".