1387018024866 has 64 divisors (see below), whose sum is σ = 3188968963200. Its totient is φ = 446337557568.

The previous prime is 1387018024817. The next prime is 1387018024913. The reversal of 1387018024866 is 6684208107831.

1387018024866 is a `hidden beast` number, since 1 + 3 + 87 + 0 + 1 + 80 + 2 + 486 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12666100 + ... + 12775136.

It is an arithmetic number, because the mean of its divisors is an integer number (49827640050).

Almost surely, 2^{1387018024866} is an apocalyptic number.

1387018024866 is an abundant number, since it is smaller than the sum of its proper divisors (1801950938334).

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

1387018024866 is a wasteful number, since it uses less digits than its factorization.

1387018024866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117200 (or 117194 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 1387018024866 in words is "one trillion, three hundred eighty-seven billion, eighteen million, twenty-four thousand, eight hundred sixty-six".