7166642 has 32 divisors (see below), whose sum is σ = 12979200. Its totient is φ = 2963520.

The previous prime is 7166633. The next prime is 7166647. The reversal of 7166642 is 2466617.

It is a junction number, because it is equal to n+sod(n) for n = 7166599 and 7166608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166647) 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 15 ways as a sum of consecutive naturals, for example, 21098 + ... + 21434.

It is an arithmetic number, because the mean of its divisors is an integer number (405600).

Almost surely, 2^7166642 is an apocalyptic number.

7166642 is a deficient number, since it is larger than the sum of its proper divisors (5812558).

7166642 is a wasteful number, since it uses less digits than its factorization.

7166642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 377 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 7166642 is about 2677.0584603254. The cubic root of 7166642 is about 192.7992041254.

The spelling of 7166642 in words is "seven million, one hundred sixty-six thousand, six hundred forty-two".