16791386051043 has 24 divisors (see below), whose sum is σ = 24683278454640. Its totient is φ = 10996508765760.

The previous prime is 16791386050991. The next prime is 16791386051057. The reversal of 16791386051043 is 34015068319761.

16791386051043 is a `hidden beast` number, since 1 + 6 + 7 + 9 + 1 + 3 + 86 + 0 + 510 + 43 = 666.

It is not a de Polignac number, because 16791386051043 - 2¹⁸ = 16791385788899 is a prime.

It is a super-2 number, since 2×16791386051043² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16791386051243) 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 23 ways as a sum of consecutive naturals, for example, 10786668 + ... + 12244793.

It is an arithmetic number, because the mean of its divisors is an integer number (1028469935610).

Almost surely, 2^{16791386051043} is an apocalyptic number.

16791386051043 is a deficient number, since it is larger than the sum of its proper divisors (7891892403597).

16791386051043 is a wasteful number, since it uses less digits than its factorization.

16791386051043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23032899 (or 23032896 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 16791386051043 in words is "sixteen trillion, seven hundred ninety-one billion, three hundred eighty-six million, fifty-one thousand, forty-three".