16894612555149 has 32 divisors (see below), whose sum is σ = 27730047320064. Its totient is φ = 8936441015040.

The previous prime is 16894612555147. The next prime is 16894612555159. The reversal of 16894612555149 is 94155521649861.

It is not a de Polignac number, because 16894612555149 - 2¹ = 16894612555147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16894612555149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16894612555147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564154284 + ... + 564184229.

It is an arithmetic number, because the mean of its divisors is an integer number (866563978752).

Almost surely, 2^{16894612555149} is an apocalyptic number.

It is an amenable number.

16894612555149 is a deficient number, since it is larger than the sum of its proper divisors (10835434764915).

16894612555149 is a wasteful number, since it uses less digits than its factorization.

16894612555149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128338577.

The product of its digits is 93312000, while the sum is 66.

The spelling of 16894612555149 in words is "sixteen trillion, eight hundred ninety-four billion, six hundred twelve million, five hundred fifty-five thousand, one hundred forty-nine".