2206166131 has 4 divisors (see below), whose sum is σ = 2375871232. Its totient is φ = 2036461032.

The previous prime is 2206166113. The next prime is 2206166197. The reversal of 2206166131 is 1316616022.

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

It is a cyclic number.

It is not a de Polignac number, because 2206166131 - 2¹¹ = 2206164083 is a prime.

It is a super-2 number, since 2×2206166131² = 9734337995143018322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2206166131.

It is not an unprimeable number, because it can be changed into a prime (2206166101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84852531 + ... + 84852556.

It is an arithmetic number, because the mean of its divisors is an integer number (593967808).

Almost surely, 2^2206166131 is an apocalyptic number.

2206166131 is a deficient number, since it is larger than the sum of its proper divisors (169705101).

2206166131 is a wasteful number, since it uses less digits than its factorization.

2206166131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169705100.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2206166131 is about 46969.8427823641. The cubic root of 2206166131 is about 1301.8054069207.

The spelling of 2206166131 in words is "two billion, two hundred six million, one hundred sixty-six thousand, one hundred thirty-one".