16500464430113 has 4 divisors (see below), whose sum is σ = 16851538141440. Its totient is φ = 16149390718788.

The previous prime is 16500464430091. The next prime is 16500464430179. The reversal of 16500464430113 is 31103446400561.

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 a cyclic number.

It is not a de Polignac number, because 16500464430113 - 2⁴⁰ = 15400952802337 is a prime.

It is a super-2 number, since 2×16500464430113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16500464430313) 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, 175536855593 + ... + 175536855686.

It is an arithmetic number, because the mean of its divisors is an integer number (4212884535360).

Almost surely, 2^{16500464430113} is an apocalyptic number.

It is an amenable number.

16500464430113 is a deficient number, since it is larger than the sum of its proper divisors (351073711327).

16500464430113 is an equidigital number, since it uses as much as digits as its factorization.

16500464430113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351073711326.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 16500464430113 in words is "sixteen trillion, five hundred billion, four hundred sixty-four million, four hundred thirty thousand, one hundred thirteen".