16355778496143 has 8 divisors (see below), whose sum is σ = 21868450358400. Its totient is φ = 10873479482328.

The previous prime is 16355778496049. The next prime is 16355778496159. The reversal of 16355778496143 is 34169487755361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16355778496143 - 2¹⁷ = 16355778365071 is a prime.

It is a super-2 number, since 2×16355778496143² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16355778496643) 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 7 ways as a sum of consecutive naturals, for example, 7593210853 + ... + 7593213006.

It is an arithmetic number, because the mean of its divisors is an integer number (2733556294800).

Almost surely, 2^{16355778496143} is an apocalyptic number.

16355778496143 is a deficient number, since it is larger than the sum of its proper divisors (5512671862257).

16355778496143 is a wasteful number, since it uses less digits than its factorization.

16355778496143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186424221.

The product of its digits is 457228800, while the sum is 69.

The spelling of 16355778496143 in words is "sixteen trillion, three hundred fifty-five billion, seven hundred seventy-eight million, four hundred ninety-six thousand, one hundred forty-three".