40160066 has 8 divisors (see below), whose sum is σ = 62183424. Its totient is φ = 19432260.

The previous prime is 40160063. The next prime is 40160077. The reversal of 40160066 is 66006104.

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

It is a super-2 number, since 2×40160066² = 3225661802248712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40160063) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 323810 + ... + 323933.

It is an arithmetic number, because the mean of its divisors is an integer number (7772928).

Almost surely, 2^40160066 is an apocalyptic number.

40160066 is a deficient number, since it is larger than the sum of its proper divisors (22023358).

40160066 is a wasteful number, since it uses less digits than its factorization.

40160066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647776.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40160066 is about 6337.1970144536. The cubic root of 40160066 is about 342.4507638745.

The spelling of 40160066 in words is "forty million, one hundred sixty thousand, sixty-six".