2165161000751 has 12 divisors (see below), whose sum is σ = 2518694985240. Its totient is φ = 1855824057360.

The previous prime is 2165161000741. The next prime is 2165161000757. The reversal of 2165161000751 is 1570001615612.

It is not a de Polignac number, because 2165161000751 - 2⁶ = 2165161000687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165161000757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3319961 + ... + 3918221.

It is an arithmetic number, because the mean of its divisors is an integer number (209891248770).

Almost surely, 2^{2165161000751} is an apocalyptic number.

2165161000751 is a deficient number, since it is larger than the sum of its proper divisors (353533984489).

2165161000751 is an equidigital number, since it uses as much as digits as its factorization.

2165161000751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672134 (or 672127 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 2165161000751 in words is "two trillion, one hundred sixty-five billion, one hundred sixty-one million, seven hundred fifty-one", and thus it is an aban number.