5581510161 has 16 divisors (see below), whose sum is σ = 7478611200. Its totient is φ = 3702731648.

The previous prime is 5581510147. The next prime is 5581510163. The reversal of 5581510161 is 1610151855.

It is a cyclic number.

It is not a de Polignac number, because 5581510161 - 2⁶ = 5581510097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5581510163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645255 + ... + 1648643.

It is an arithmetic number, because the mean of its divisors is an integer number (467413200).

Almost surely, 2^5581510161 is an apocalyptic number.

It is an amenable number.

5581510161 is a deficient number, since it is larger than the sum of its proper divisors (1897101039).

5581510161 is a wasteful number, since it uses less digits than its factorization.

5581510161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928.

The product of its (nonzero) digits is 6000, while the sum is 33.

The square root of 5581510161 is about 74709.5051583130. The cubic root of 5581510161 is about 1773.8514197003.

The spelling of 5581510161 in words is "five billion, five hundred eighty-one million, five hundred ten thousand, one hundred sixty-one".