1668867000 has 64 divisors (see below), whose sum is σ = 5206874400. Its totient is φ = 445030400.

The previous prime is 1668866951. The next prime is 1668867037. The reversal of 1668867000 is 7688661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275145 + ... + 281144.

Almost surely, 2^1668867000 is an apocalyptic number.

1668867000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1668867000 is an abundant number, since it is smaller than the sum of its proper divisors (3538007400).

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

1668867000 is a wasteful number, since it uses less digits than its factorization.

1668867000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556313 (or 556299 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1668867000 is about 40851.7686275637. The cubic root of 1668867000 is about 1186.1526287839.

The spelling of 1668867000 in words is "one billion, six hundred sixty-eight million, eight hundred sixty-seven thousand".