866441552285464 has 16 divisors (see below), whose sum is σ = 1624604042266920. Its totient is φ = 433213807680960.

The previous prime is 866441552285447. The next prime is 866441552285527. The reversal of 866441552285464 is 464582255144668.

It is a junction number, because it is equal to n+sod(n) for n = 866441552285393 and 866441552285402.

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, 870529269 + ... + 871524004.

Almost surely, 2^{866441552285464} is an apocalyptic number.

It is an amenable number.

866441552285464 is a deficient number, since it is larger than the sum of its proper divisors (758162489981456).

866441552285464 is a wasteful number, since it uses less digits than its factorization.

866441552285464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742115450 (or 1742115446 counting only the distinct ones).

The product of its digits is 1769472000, while the sum is 70.

The spelling of 866441552285464 in words is "eight hundred sixty-six trillion, four hundred forty-one billion, five hundred fifty-two million, two hundred eighty-five thousand, four hundred sixty-four".