1688189000163 has 8 divisors (see below), whose sum is σ = 2251445707776. Its totient is φ = 1125195813000.

The previous prime is 1688189000149. The next prime is 1688189000191. The reversal of 1688189000163 is 3610009818861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1688189000163 - 2¹⁴ = 1688188983779 is a prime.

It is a super-2 number, since 2×1688189000163² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1688189000063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65865163 + ... + 65890788.

It is an arithmetic number, because the mean of its divisors is an integer number (281430713472).

Almost surely, 2^{1688189000163} is an apocalyptic number.

1688189000163 is a deficient number, since it is larger than the sum of its proper divisors (563256707613).

1688189000163 is a wasteful number, since it uses less digits than its factorization.

1688189000163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131760225.

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 1688189000163 in words is "one trillion, six hundred eighty-eight billion, one hundred eighty-nine million, one hundred sixty-three", and thus it is an aban number.