866024245536 has 48 divisors (see below), whose sum is σ = 2307243716064. Its totient is φ = 284366168064.

The previous prime is 866024245507. The next prime is 866024245553. The reversal of 866024245536 is 635542420668.

It is a tau number, because it is divible by the number of its divisors (48).

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, 67315105 + ... + 67327968.

It is an arithmetic number, because the mean of its divisors is an integer number (48067577418).

Almost surely, 2^866024245536 is an apocalyptic number.

It is an amenable number.

866024245536 is an abundant number, since it is smaller than the sum of its proper divisors (1441219470528).

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

866024245536 is a wasteful number, since it uses less digits than its factorization.

866024245536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134643153 (or 134643145 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 866024245536 in words is "eight hundred sixty-six billion, twenty-four million, two hundred forty-five thousand, five hundred thirty-six".