16690731825903 has 32 divisors (see below), whose sum is σ = 22687777532160. Its totient is φ = 10911569391360.

The previous prime is 16690731825869. The next prime is 16690731825967. The reversal of 16690731825903 is 30952813709661.

It is not a de Polignac number, because 16690731825903 - 2¹² = 16690731821807 is a prime.

It is a super-2 number, since 2×16690731825903² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690731815903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96398976 + ... + 96571962.

It is an arithmetic number, because the mean of its divisors is an integer number (708993047880).

Almost surely, 2^{16690731825903} is an apocalyptic number.

16690731825903 is a deficient number, since it is larger than the sum of its proper divisors (5997045706257).

16690731825903 is a wasteful number, since it uses less digits than its factorization.

16690731825903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174647.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 16690731825903 in words is "sixteen trillion, six hundred ninety billion, seven hundred thirty-one million, eight hundred twenty-five thousand, nine hundred three".