7166555005 has 4 divisors (see below), whose sum is σ = 8599866012. Its totient is φ = 5733244000.

The previous prime is 7166554949. The next prime is 7166555017. The reversal of 7166555005 is 5005556617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5005556617 = 449 ⋅11148233.

It can be written as a sum of positive squares in 2 ways, for example, as 1741643289 + 5424911716 = 41733^2 + 73654^2 .

It is not a de Polignac number, because 7166555005 - 2¹³ = 7166546813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716655496 + ... + 716655505.

It is an arithmetic number, because the mean of its divisors is an integer number (2149966503).

Almost surely, 2^7166555005 is an apocalyptic number.

It is an amenable number.

7166555005 is a deficient number, since it is larger than the sum of its proper divisors (1433311007).

7166555005 is a wasteful number, since it uses less digits than its factorization.

7166555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433311006.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 7166555005 is about 84655.5078243584. The cubic root of 7166555005 is about 1927.9842400021.

The spelling of 7166555005 in words is "seven billion, one hundred sixty-six million, five hundred fifty-five thousand, five".