5639308161 has 8 divisors (see below), whose sum is σ = 7562541120. Its totient is φ = 3737806992.

The previous prime is 5639308151. The next prime is 5639308163. The reversal of 5639308161 is 1618039365.

It is a happy number.

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

It is not a de Polignac number, because 5639308161 - 2⁶ = 5639308097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5639308163) 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, 5432341 + ... + 5433378.

It is an arithmetic number, because the mean of its divisors is an integer number (945317640).

Almost surely, 2^5639308161 is an apocalyptic number.

It is an amenable number.

5639308161 is a deficient number, since it is larger than the sum of its proper divisors (1923232959).

5639308161 is a wasteful number, since it uses less digits than its factorization.

5639308161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865895.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 5639308161 is about 75095.3271582194. The cubic root of 5639308161 is about 1779.9533044393.

The spelling of 5639308161 in words is "five billion, six hundred thirty-nine million, three hundred eight thousand, one hundred sixty-one".