5165160578 has 4 divisors (see below), whose sum is σ = 7747740870. Its totient is φ = 2582580288.

The previous prime is 5165160571. The next prime is 5165160601. The reversal of 5165160578 is 8750615615.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4093056529 + 1072104049 = 63977^2 + 32743^2 .

It is not an unprimeable number, because it can be changed into a prime (5165160571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291290143 + ... + 1291290146.

Almost surely, 2^5165160578 is an apocalyptic number.

5165160578 is a deficient number, since it is larger than the sum of its proper divisors (2582580292).

5165160578 is a wasteful number, since it uses less digits than its factorization.

5165160578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582580291.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5165160578 is about 71869.0516008108. The cubic root of 5165160578 is about 1728.6004002983.

The spelling of 5165160578 in words is "five billion, one hundred sixty-five million, one hundred sixty thousand, five hundred seventy-eight".