16149669928893 has 24 divisors (see below), whose sum is σ = 23554654074432. Its totient is φ = 10661522197248.

The previous prime is 16149669928883. The next prime is 16149669928949. The reversal of 16149669928893 is 39882996694161.

16149669928893 is a `hidden beast` number, since 1 + 61 + 496 + 69 + 9 + 2 + 8 + 8 + 9 + 3 = 666.

It is not a de Polignac number, because 16149669928893 - 2¹³ = 16149669920701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16149669928883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25797805 + ... + 26416397.

It is an arithmetic number, because the mean of its divisors is an integer number (981443919768).

Almost surely, 2^{16149669928893} is an apocalyptic number.

It is an amenable number.

16149669928893 is a deficient number, since it is larger than the sum of its proper divisors (7404984145539).

16149669928893 is a wasteful number, since it uses less digits than its factorization.

16149669928893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646865 (or 646862 counting only the distinct ones).

The product of its digits is 2176782336, while the sum is 81.

The spelling of 16149669928893 in words is "sixteen trillion, one hundred forty-nine billion, six hundred sixty-nine million, nine hundred twenty-eight thousand, eight hundred ninety-three".