5606166081 has 4 divisors (see below), whose sum is σ = 7474888112. Its totient is φ = 3737444052.

The previous prime is 5606166067. The next prime is 5606166103. The reversal of 5606166081 is 1806616065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5606166081 - 2⁹ = 5606165569 is a prime.

It is a super-2 number, since 2×5606166081² = 62858196255509797122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5606166281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934361011 + ... + 934361016.

It is an arithmetic number, because the mean of its divisors is an integer number (1868722028).

Almost surely, 2^5606166081 is an apocalyptic number.

It is an amenable number.

5606166081 is a deficient number, since it is larger than the sum of its proper divisors (1868722031).

5606166081 is a wasteful number, since it uses less digits than its factorization.

5606166081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868722030.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 5606166081 is about 74874.3352624916. The cubic root of 5606166081 is about 1776.4595367927.

The spelling of 5606166081 in words is "five billion, six hundred six million, one hundred sixty-six thousand, eighty-one".