6165016551121 has 8 divisors (see below), whose sum is σ = 6234539603400. Its totient is φ = 6095499125760.

The previous prime is 6165016551073. The next prime is 6165016551151. The reversal of 6165016551121 is 1211556105616.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 788943650625 + 5376072900496 = 888225^2 + 2318636^2 .

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 6165016551121 - 2¹⁷ = 6165016420049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6165016551151) 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, 816585 + ... + 3605113.

It is an arithmetic number, because the mean of its divisors is an integer number (779317450425).

Almost surely, 2^{6165016551121} is an apocalyptic number.

It is an amenable number.

6165016551121 is a deficient number, since it is larger than the sum of its proper divisors (69523052279).

6165016551121 is a wasteful number, since it uses less digits than its factorization.

6165016551121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813459.

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 6165016551121 in words is "six trillion, one hundred sixty-five billion, sixteen million, five hundred fifty-one thousand, one hundred twenty-one".