16690814518935 has 16 divisors (see below), whose sum is σ = 26730284830560. Its totient is φ = 8893440543360.

The previous prime is 16690814518913. The next prime is 16690814518999. The reversal of 16690814518935 is 53981541809661.

It is a happy number.

It is not a de Polignac number, because 16690814518935 - 2¹⁰ = 16690814517911 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 520433436 + ... + 520465505.

It is an arithmetic number, because the mean of its divisors is an integer number (1670642801910).

Almost surely, 2^{16690814518935} is an apocalyptic number.

16690814518935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16690814518935 is a deficient number, since it is larger than the sum of its proper divisors (10039470311625).

16690814518935 is a wasteful number, since it uses less digits than its factorization.

16690814518935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040900018.

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 16690814518935 in words is "sixteen trillion, six hundred ninety billion, eight hundred fourteen million, five hundred eighteen thousand, nine hundred thirty-five".