6600500500161 has 4 divisors (see below), whose sum is σ = 8800667333552. Its totient is φ = 4400333666772.

The previous prime is 6600500500093. The next prime is 6600500500177. The reversal of 6600500500161 is 1610050050066.

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 6600500500161 - 2²⁵ = 6600466945729 is a prime.

It is a super-2 number, since 2×6600500500161² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6600500500261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100083416691 + ... + 1100083416696.

It is an arithmetic number, because the mean of its divisors is an integer number (2200166833388).

Almost surely, 2^{6600500500161} is an apocalyptic number.

It is an amenable number.

6600500500161 is a deficient number, since it is larger than the sum of its proper divisors (2200166833391).

6600500500161 is a wasteful number, since it uses less digits than its factorization.

6600500500161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200166833390.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 6600500500161 in words is "six trillion, six hundred billion, five hundred million, five hundred thousand, one hundred sixty-one".