6601165056061 has 4 divisors (see below), whose sum is σ = 6699689907712. Its totient is φ = 6502640204412.

The previous prime is 6601165056043. The next prime is 6601165056179. The reversal of 6601165056061 is 1606505611066.

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 6601165056061 - 2²¹ = 6601162958909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6601165055999 and 6601165056017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601165056461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49262425725 + ... + 49262425858.

It is an arithmetic number, because the mean of its divisors is an integer number (1674922476928).

Almost surely, 2^{6601165056061} is an apocalyptic number.

It is an amenable number.

6601165056061 is a deficient number, since it is larger than the sum of its proper divisors (98524851651).

6601165056061 is an equidigital number, since it uses as much as digits as its factorization.

6601165056061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98524851650.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 6601165056061 in words is "six trillion, six hundred one billion, one hundred sixty-five million, fifty-six thousand, sixty-one".