7166131 has 4 divisors (see below), whose sum is σ = 8189872. Its totient is φ = 6142392.

The previous prime is 7166113. The next prime is 7166141. The reversal of 7166131 is 1316617.

It is a happy number.

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 7166131 - 2⁵ = 7166099 is a prime.

It is a super-2 number, since 2×7166131² = 102706867018322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7166096 and 7166105.

It is not an unprimeable number, because it can be changed into a prime (7166141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511860 + ... + 511873.

It is an arithmetic number, because the mean of its divisors is an integer number (2047468).

Almost surely, 2^7166131 is an apocalyptic number.

7166131 is a deficient number, since it is larger than the sum of its proper divisors (1023741).

7166131 is a wasteful number, since it uses less digits than its factorization.

7166131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023740.

The product of its digits is 756, while the sum is 25.

The square root of 7166131 is about 2676.9630180486. The cubic root of 7166131 is about 192.7946216569.

The spelling of 7166131 in words is "seven million, one hundred sixty-six thousand, one hundred thirty-one".