1668887167000 has 32 divisors (see below), whose sum is σ = 3905195973120. Its totient is φ = 667554866400.

The previous prime is 1668887166953. The next prime is 1668887167043. The reversal of 1668887167000 is 7617888661.

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, 834442584 + ... + 834444583.

It is an arithmetic number, because the mean of its divisors is an integer number (122037374160).

Almost surely, 2^{1668887167000} is an apocalyptic number.

1668887167000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1668887167000 is an abundant number, since it is smaller than the sum of its proper divisors (2236308806120).

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

1668887167000 is a wasteful number, since it uses less digits than its factorization.

1668887167000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668887188 (or 1668887174 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 1668887167000 in words is "one trillion, six hundred sixty-eight billion, eight hundred eighty-seven million, one hundred sixty-seven thousand".