866152632416 has 24 divisors (see below), whose sum is σ = 1805546113560. Its totient is φ = 407601238528.

The previous prime is 866152632383. The next prime is 866152632473. The reversal of 866152632416 is 614236251668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796095626 + ... + 796096713.

It is an arithmetic number, because the mean of its divisors is an integer number (75231088065).

Almost surely, 2^866152632416 is an apocalyptic number.

It is an amenable number.

866152632416 is an abundant number, since it is smaller than the sum of its proper divisors (939393481144).

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

866152632416 is a wasteful number, since it uses less digits than its factorization.

866152632416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592192366 (or 1592192358 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The spelling of 866152632416 in words is "eight hundred sixty-six billion, one hundred fifty-two million, six hundred thirty-two thousand, four hundred sixteen".