40951666 has 8 divisors (see below), whose sum is σ = 70202880. Its totient is φ = 17550708.

The previous prime is 40951649. The next prime is 40951681. The reversal of 40951666 is 66615904.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1462546 + ... + 1462573.

It is an arithmetic number, because the mean of its divisors is an integer number (8775360).

Almost surely, 2^40951666 is an apocalyptic number.

40951666 is a deficient number, since it is larger than the sum of its proper divisors (29251214).

40951666 is a wasteful number, since it uses less digits than its factorization.

40951666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925128.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 40951666 is about 6399.3488731276. The cubic root of 40951666 is about 344.6861698366.

The spelling of 40951666 in words is "forty million, nine hundred fifty-one thousand, six hundred sixty-six".