1700645668 has 48 divisors (see below), whose sum is σ = 3173740416. Its totient is φ = 795674880.

The previous prime is 1700645651. The next prime is 1700645671. The reversal of 1700645668 is 8665460071.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878830 + ... + 880762.

It is an arithmetic number, because the mean of its divisors is an integer number (66119592).

Almost surely, 2^1700645668 is an apocalyptic number.

It is an amenable number.

1700645668 is a deficient number, since it is larger than the sum of its proper divisors (1473094748).

1700645668 is a wasteful number, since it uses less digits than its factorization.

1700645668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1700645668 is about 41238.8853874592. The cubic root of 1700645668 is about 1193.6342696465.

The spelling of 1700645668 in words is "one billion, seven hundred million, six hundred forty-five thousand, six hundred sixty-eight".