866184633048064 has 88 divisors (see below), whose sum is σ = 1949867974227456. Its totient is φ = 381019633152000.

The previous prime is 866184633048061. The next prime is 866184633048127. The reversal of 866184633048064 is 460840336481668.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866184633048061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239949102 + ... + 1240647469.

Almost surely, 2^{866184633048064} is an apocalyptic number.

It is an amenable number.

866184633048064 is an abundant number, since it is smaller than the sum of its proper divisors (1083683341179392).

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

866184633048064 is a wasteful number, since it uses less digits than its factorization.

866184633048064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480596633 (or 2480596615 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 67.

The spelling of 866184633048064 in words is "eight hundred sixty-six trillion, one hundred eighty-four billion, six hundred thirty-three million, forty-eight thousand, sixty-four".