6161566005665 has 8 divisors (see below), whose sum is σ = 8450147664960. Its totient is φ = 4225073832432.

The previous prime is 6161566005607. The next prime is 6161566005689. The reversal of 6161566005665 is 5665006651616.

It is a happy number.

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 6161566005665 - 2¹⁰ = 6161566004641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88022371475 + ... + 88022371544.

It is an arithmetic number, because the mean of its divisors is an integer number (1056268458120).

Almost surely, 2^{6161566005665} is an apocalyptic number.

It is an amenable number.

6161566005665 is a deficient number, since it is larger than the sum of its proper divisors (2288581659295).

6161566005665 is a wasteful number, since it uses less digits than its factorization.

6161566005665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176044743031.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 6161566005665 in words is "six trillion, one hundred sixty-one billion, five hundred sixty-six million, five thousand, six hundred sixty-five".