16690941 has 12 divisors (see below), whose sum is σ = 25002432. Its totient is φ = 11127132.

The previous prime is 16690913. The next prime is 16690963. The reversal of 16690941 is 14909661.

It is not a de Polignac number, because 16690941 - 2⁵ = 16690909 is a prime.

It is a super-2 number, since 2×16690941² = 557175022930962, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16690896 and 16690905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34101 + ... + 34586.

It is an arithmetic number, because the mean of its divisors is an integer number (2083536).

Almost surely, 2^16690941 is an apocalyptic number.

It is an amenable number.

16690941 is a deficient number, since it is larger than the sum of its proper divisors (8311491).

16690941 is an frugal number, since it uses more digits than its factorization.

16690941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68702 (or 68690 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16690941 is about 4085.4548094429. The cubic root of 16690941 is about 255.5604283115.

The spelling of 16690941 in words is "sixteen million, six hundred ninety thousand, nine hundred forty-one".