5161706726 has 16 divisors (see below), whose sum is σ = 8652441168. Its totient is φ = 2289004800.

The previous prime is 5161706689. The next prime is 5161706749. The reversal of 5161706726 is 6276071615.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2860355 + ... + 2862158.

It is an arithmetic number, because the mean of its divisors is an integer number (540777573).

Almost surely, 2^5161706726 is an apocalyptic number.

5161706726 is a deficient number, since it is larger than the sum of its proper divisors (3490734442).

5161706726 is a wasteful number, since it uses less digits than its factorization.

5161706726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722567.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 5161706726 is about 71845.0187974086. The cubic root of 5161706726 is about 1728.2150194951.

The spelling of 5161706726 in words is "five billion, one hundred sixty-one million, seven hundred six thousand, seven hundred twenty-six".