16516571073 has 8 divisors (see below), whose sum is σ = 22100466336. Its totient is φ = 10971861600.

The previous prime is 16516571069. The next prime is 16516571089. The reversal of 16516571073 is 37017561561.

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

It is not a de Polignac number, because 16516571073 - 2² = 16516571069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16516571063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9795463 + ... + 9797148.

It is an arithmetic number, because the mean of its divisors is an integer number (2762558292).

Almost surely, 2^16516571073 is an apocalyptic number.

It is an amenable number.

16516571073 is a deficient number, since it is larger than the sum of its proper divisors (5583895263).

16516571073 is a wasteful number, since it uses less digits than its factorization.

16516571073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19592895.

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 16516571073 in words is "sixteen billion, five hundred sixteen million, five hundred seventy-one thousand, seventy-three".