1686869596084 has 24 divisors (see below), whose sum is σ = 3035829894048. Its totient is φ = 819787082400.

The previous prime is 1686869596081. The next prime is 1686869596163. The reversal of 1686869596084 is 4806959686861.

It is a self number, because there is not a number n which added to its sum of digits gives 1686869596084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1686869596081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37159242 + ... + 37204609.

It is an arithmetic number, because the mean of its divisors is an integer number (126492912252).

Almost surely, 2^{1686869596084} is an apocalyptic number.

It is an amenable number.

1686869596084 is a deficient number, since it is larger than the sum of its proper divisors (1348960297964).

1686869596084 is a wasteful number, since it uses less digits than its factorization.

1686869596084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74364015 (or 74364013 counting only the distinct ones).

The product of its (nonzero) digits is 1074954240, while the sum is 76.

The spelling of 1686869596084 in words is "one trillion, six hundred eighty-six billion, eight hundred sixty-nine million, five hundred ninety-six thousand, eighty-four".