16738720438426 has 16 divisors (see below), whose sum is σ = 28730331524160. Its totient is φ = 7164891780480.

The previous prime is 16738720438421. The next prime is 16738720438457. The reversal of 16738720438426 is 62483402783761.

It is not an unprimeable number, because it can be changed into a prime (16738720438421) 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 7 ways as a sum of consecutive naturals, for example, 737117431 + ... + 737140138.

It is an arithmetic number, because the mean of its divisors is an integer number (1795645720260).

Almost surely, 2^{16738720438426} is an apocalyptic number.

16738720438426 is a deficient number, since it is larger than the sum of its proper divisors (11991611085734).

16738720438426 is a wasteful number, since it uses less digits than its factorization.

16738720438426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474258389.

The product of its (nonzero) digits is 65028096, while the sum is 61.

The spelling of 16738720438426 in words is "sixteen trillion, seven hundred thirty-eight billion, seven hundred twenty million, four hundred thirty-eight thousand, four hundred twenty-six".