5156651161 has 4 divisors (see below), whose sum is σ = 5227290292. Its totient is φ = 5086012032.

The previous prime is 5156651081. The next prime is 5156651173. The reversal of 5156651161 is 1611566515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4137062400 + 1019588761 = 64320^2 + 31931^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156651161 - 2⁹ = 5156650649 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 5156651161.

It is not an unprimeable number, because it can be changed into a prime (5156651561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35319456 + ... + 35319601.

It is an arithmetic number, because the mean of its divisors is an integer number (1306822573).

Almost surely, 2^5156651161 is an apocalyptic number.

It is an amenable number.

5156651161 is a deficient number, since it is larger than the sum of its proper divisors (70639131).

5156651161 is an equidigital number, since it uses as much as digits as its factorization.

5156651161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70639130.

The product of its digits is 27000, while the sum is 37.

The square root of 5156651161 is about 71809.8263540583. The cubic root of 5156651161 is about 1727.6506094487.

The spelling of 5156651161 in words is "five billion, one hundred fifty-six million, six hundred fifty-one thousand, one hundred sixty-one".