16500066565115 has 8 divisors (see below), whose sum is σ = 22628662717920. Its totient is φ = 11314331358912.

The previous prime is 16500066565091. The next prime is 16500066565117. The reversal of 16500066565115 is 51156566000561.

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

It is a cyclic number.

It is not a de Polignac number, because 16500066565115 - 2⁸ = 16500066564859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16500066565115.

It is not an unprimeable number, because it can be changed into a prime (16500066565117) 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, 235715236610 + ... + 235715236679.

It is an arithmetic number, because the mean of its divisors is an integer number (2828582839740).

Almost surely, 2^{16500066565115} is an apocalyptic number.

16500066565115 is a deficient number, since it is larger than the sum of its proper divisors (6128596152805).

16500066565115 is an equidigital number, since it uses as much as digits as its factorization.

16500066565115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471430473301.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 16500066565115 in words is "sixteen trillion, five hundred billion, sixty-six million, five hundred sixty-five thousand, one hundred fifteen".