2965511161 has 8 divisors (see below), whose sum is σ = 3140431560. Its totient is φ = 2790643968.

The previous prime is 2965511149. The next prime is 2965511189. The reversal of 2965511161 is 1611155692.

2965511161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 80209936 + 2885301225 = 8956^2 + 53715^2 .

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 2965511161 - 2⁷ = 2965511033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2965511161.

It is not an unprimeable number, because it can be changed into a prime (2965811161) 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, 193015 + ... + 207811.

It is an arithmetic number, because the mean of its divisors is an integer number (392553945).

Almost surely, 2^2965511161 is an apocalyptic number.

It is an amenable number.

2965511161 is a deficient number, since it is larger than the sum of its proper divisors (174920399).

2965511161 is a wasteful number, since it uses less digits than its factorization.

2965511161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603.

The product of its digits is 16200, while the sum is 37.

The square root of 2965511161 is about 54456.5070583856. The cubic root of 2965511161 is about 1436.7014198438.

The spelling of 2965511161 in words is "two billion, nine hundred sixty-five million, five hundred eleven thousand, one hundred sixty-one".