4116162561 has 32 divisors (see below), whose sum is σ = 6314880000. Its totient is φ = 2336160960.

The previous prime is 4116162559. The next prime is 4116162577. The reversal of 4116162561 is 1652616114.

It is not a de Polignac number, because 4116162561 - 2¹ = 4116162559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4116162511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2745190 + ... + 2746688.

It is an arithmetic number, because the mean of its divisors is an integer number (197340000).

Almost surely, 2^4116162561 is an apocalyptic number.

It is an amenable number.

4116162561 is a deficient number, since it is larger than the sum of its proper divisors (2198717439).

4116162561 is a wasteful number, since it uses less digits than its factorization.

4116162561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its digits is 8640, while the sum is 33.

The square root of 4116162561 is about 64157.3266353890. The cubic root of 4116162561 is about 1602.6210374706.

Adding to 4116162561 its reverse (1652616114), we get a palindrome (5768778675).

The spelling of 4116162561 in words is "four billion, one hundred sixteen million, one hundred sixty-two thousand, five hundred sixty-one".