1686667037016 has 32 divisors (see below), whose sum is σ = 4541026638960. Its totient is φ = 518974472832.

The previous prime is 1686667036991. The next prime is 1686667037021. The reversal of 1686667037016 is 6107307666861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702991735 + ... + 2702992358.

Almost surely, 2^{1686667037016} is an apocalyptic number.

It is an amenable number.

1686667037016 is an abundant number, since it is smaller than the sum of its proper divisors (2854359601944).

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

1686667037016 is a wasteful number, since it uses less digits than its factorization.

1686667037016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405984115 (or 5405984111 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 1686667037016 in words is "one trillion, six hundred eighty-six billion, six hundred sixty-seven million, thirty-seven thousand, sixteen".