16730725043 has 4 divisors (see below), whose sum is σ = 16896375888. Its totient is φ = 16565074200.

The previous prime is 16730725019. The next prime is 16730725051. The reversal of 16730725043 is 34052703761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16730725043 - 2¹⁶ = 16730659507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16730724988 and 16730725006.

It is not an unprimeable number, because it can be changed into a prime (16738725043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82825271 + ... + 82825472.

It is an arithmetic number, because the mean of its divisors is an integer number (4224093972).

Almost surely, 2^16730725043 is an apocalyptic number.

16730725043 is a deficient number, since it is larger than the sum of its proper divisors (165650845).

16730725043 is a wasteful number, since it uses less digits than its factorization.

16730725043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165650844.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 16730725043 in words is "sixteen billion, seven hundred thirty million, seven hundred twenty-five thousand, forty-three".