866757222445412 has 24 divisors (see below), whose sum is σ = 1525246747191552. Its totient is φ = 430974094118400.

The previous prime is 866757222445399. The next prime is 866757222445481. The reversal of 866757222445412 is 214544222757668.

It is a super-2 number, since 2×866757222445412² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204978764 + ... + 209164547.

It is an arithmetic number, because the mean of its divisors is an integer number (63551947799648).

Almost surely, 2^{866757222445412} is an apocalyptic number.

It is an amenable number.

866757222445412 is a deficient number, since it is larger than the sum of its proper divisors (658489524746140).

866757222445412 is a wasteful number, since it uses less digits than its factorization.

866757222445412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414146219 (or 414146217 counting only the distinct ones).

The product of its digits is 361267200, while the sum is 65.

The spelling of 866757222445412 in words is "eight hundred sixty-six trillion, seven hundred fifty-seven billion, two hundred twenty-two million, four hundred forty-five thousand, four hundred twelve".