1699668168704 has 156 divisors (see below), whose sum is σ = 3938887162608. Its totient is φ = 727125196800.

The previous prime is 1699668168703. The next prime is 1699668168799. The reversal of 1699668168704 is 4078618669961.

It is not an unprimeable number, because it can be changed into a prime (1699668168703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12955919 + ... + 13086449.

Almost surely, 2^{1699668168704} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1699668168704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969443581304).

1699668168704 is an abundant number, since it is smaller than the sum of its proper divisors (2239218993904).

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

1699668168704 is a wasteful number, since it uses less digits than its factorization.

1699668168704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130600 (or 130561 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 1699668168704 in words is "one trillion, six hundred ninety-nine billion, six hundred sixty-eight million, one hundred sixty-eight thousand, seven hundred four".