16500724607613 has 4 divisors (see below), whose sum is σ = 22000966143488. Its totient is φ = 11000483071740.

The previous prime is 16500724607567. The next prime is 16500724607657. The reversal of 16500724607613 is 31670642700561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16500724607613 - 2²⁶ = 16500657498749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500724602613) 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, 2750120767933 + ... + 2750120767938.

It is an arithmetic number, because the mean of its divisors is an integer number (5500241535872).

Almost surely, 2^{16500724607613} is an apocalyptic number.

It is an amenable number.

16500724607613 is a deficient number, since it is larger than the sum of its proper divisors (5500241535875).

16500724607613 is an equidigital number, since it uses as much as digits as its factorization.

16500724607613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500241535874.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 16500724607613 in words is "sixteen trillion, five hundred billion, seven hundred twenty-four million, six hundred seven thousand, six hundred thirteen".