5000042161 has 8 divisors (see below), whose sum is σ = 5057994240. Its totient is φ = 4942129632.

The previous prime is 5000042153. The next prime is 5000042171. The reversal of 5000042161 is 1612400005.

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

It is a cyclic number.

It is not a de Polignac number, because 5000042161 - 2³ = 5000042153 is a prime.

It is a super-2 number, since 2×5000042161² = 50000843223555099842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000042171) 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, 300096 + ... + 316318.

It is an arithmetic number, because the mean of its divisors is an integer number (632249280).

Almost surely, 2^5000042161 is an apocalyptic number.

It is an amenable number.

5000042161 is a deficient number, since it is larger than the sum of its proper divisors (57952079).

5000042161 is a wasteful number, since it uses less digits than its factorization.

5000042161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19775.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5000042161 is about 70710.9762413163. The cubic root of 5000042161 is about 1709.9807529496.

Adding to 5000042161 its reverse (1612400005), we get a palindrome (6612442166).

The spelling of 5000042161 in words is "five billion, forty-two thousand, one hundred sixty-one".