16691693335 has 8 divisors (see below), whose sum is σ = 20031753600. Its totient is φ = 13352206944.

The previous prime is 16691693329. The next prime is 16691693341. The reversal of 16691693335 is 53339619661.

It is an interprime number because it is at equal distance from previous prime (16691693329) and next prime (16691693341).

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

It is a cyclic number.

It is not a de Polignac number, because 16691693335 - 2³ = 16691693327 is a prime.

It is a super-2 number, since 2×16691693335² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76647 + ... + 198136.

It is an arithmetic number, because the mean of its divisors is an integer number (2503969200).

Almost surely, 2^16691693335 is an apocalyptic number.

16691693335 is a deficient number, since it is larger than the sum of its proper divisors (3340060265).

16691693335 is a wasteful number, since it uses less digits than its factorization.

16691693335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286937.

The product of its digits is 2361960, while the sum is 52.

The spelling of 16691693335 in words is "sixteen billion, six hundred ninety-one million, six hundred ninety-three thousand, three hundred thirty-five".