5161651105 has 8 divisors (see below), whose sum is σ = 6670441512. Its totient is φ = 3811680768.

The previous prime is 5161650971. The next prime is 5161651133. The reversal of 5161651105 is 5011561615.

It can be written as a sum of positive squares in 4 ways, for example, as 1238758416 + 3922892689 = 35196^2 + 62633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5161651105 is a prime.

It is a Duffinian number.

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, 39704944 + ... + 39705073.

It is an arithmetic number, because the mean of its divisors is an integer number (833805189).

Almost surely, 2^5161651105 is an apocalyptic number.

It is an amenable number.

5161651105 is a deficient number, since it is larger than the sum of its proper divisors (1508790407).

5161651105 is a wasteful number, since it uses less digits than its factorization.

5161651105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79410035.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 5161651105 is about 71844.6317062034. The cubic root of 5161651105 is about 1728.2088118976.

The spelling of 5161651105 in words is "five billion, one hundred sixty-one million, six hundred fifty-one thousand, one hundred five".