16914517845 has 16 divisors (see below), whose sum is σ = 27163099392. Its totient is φ = 8987785920.

The previous prime is 16914517831. The next prime is 16914517849. The reversal of 16914517845 is 54871541961.

It is not a de Polignac number, because 16914517845 - 2⁵ = 16914517813 is a prime.

It is a super-2 number, since 2×16914517845² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16914517849) 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 15 ways as a sum of consecutive naturals, for example, 2076442 + ... + 2084571.

It is an arithmetic number, because the mean of its divisors is an integer number (1697693712).

Almost surely, 2^16914517845 is an apocalyptic number.

16914517845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16914517845 is a deficient number, since it is larger than the sum of its proper divisors (10248581547).

16914517845 is a wasteful number, since it uses less digits than its factorization.

16914517845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161292.

The product of its digits is 1209600, while the sum is 51.

The spelling of 16914517845 in words is "sixteen billion, nine hundred fourteen million, five hundred seventeen thousand, eight hundred forty-five".