40061166 has 8 divisors (see below), whose sum is σ = 80122344. Its totient is φ = 13353720.

The previous prime is 40061149. The next prime is 40061167. The reversal of 40061166 is 66116004.

40061166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40061166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40061167) 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, 3338425 + ... + 3338436.

It is an arithmetic number, because the mean of its divisors is an integer number (10015293).

Almost surely, 2^40061166 is an apocalyptic number.

40061166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40061166 is a wasteful number, since it uses less digits than its factorization.

40061166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676866.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40061166 is about 6329.3890700446. The cubic root of 40061166 is about 342.1694212045.

The spelling of 40061166 in words is "forty million, sixty-one thousand, one hundred sixty-six".