6940166 has 4 divisors (see below), whose sum is σ = 10410252. Its totient is φ = 3470082.

The previous prime is 6940147. The next prime is 6940177. The reversal of 6940166 is 6610496.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735040 + ... + 1735043.

It is an arithmetic number, because the mean of its divisors is an integer number (2602563).

Almost surely, 2^6940166 is an apocalyptic number.

6940166 is a deficient number, since it is larger than the sum of its proper divisors (3470086).

6940166 is a wasteful number, since it uses less digits than its factorization.

6940166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470085.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6940166 is about 2634.4194806446. The cubic root of 6940166 is about 190.7465182728.

The spelling of 6940166 in words is "six million, nine hundred forty thousand, one hundred sixty-six".