866187024541364 has 24 divisors (see below), whose sum is σ = 1521524340779520. Its totient is φ = 431468698785696.

The previous prime is 866187024541351. The next prime is 866187024541409. The reversal of 866187024541364 is 463145420781668.

It is a super-2 number, since 2×866187024541364² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 866187024541364.

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, 363119012 + ... + 365496635.

It is an arithmetic number, because the mean of its divisors is an integer number (63396847532480).

Almost surely, 2^{866187024541364} is an apocalyptic number.

It is an amenable number.

866187024541364 is a deficient number, since it is larger than the sum of its proper divisors (655337316238156).

866187024541364 is a wasteful number, since it uses less digits than its factorization.

866187024541364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728616767 (or 728616765 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 65.

The spelling of 866187024541364 in words is "eight hundred sixty-six trillion, one hundred eighty-seven billion, twenty-four million, five hundred forty-one thousand, three hundred sixty-four".