1868683366692 has 36 divisors (see below), whose sum is σ = 4757599151760. Its totient is φ = 618413198832.

The previous prime is 1868683366687. The next prime is 1868683366751. The reversal of 1868683366692 is 2966633868681.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1868683366692.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186713958 + ... + 186723965.

Almost surely, 2^{1868683366692} is an apocalyptic number.

1868683366692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1868683366692 is an abundant number, since it is smaller than the sum of its proper divisors (2888915785068).

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

1868683366692 is a wasteful number, since it uses less digits than its factorization.

1868683366692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373438072 (or 373438067 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 72.

The spelling of 1868683366692 in words is "one trillion, eight hundred sixty-eight billion, six hundred eighty-three million, three hundred sixty-six thousand, six hundred ninety-two".