40166086 has 8 divisors (see below), whose sum is σ = 60834384. Its totient is φ = 19887960.

The previous prime is 40166081. The next prime is 40166089. The reversal of 40166086 is 68066104.

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

It is a super-2 number, since 2×40166086² = 3226628929118792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97285 + ... + 97696.

It is an arithmetic number, because the mean of its divisors is an integer number (7604298).

Almost surely, 2^40166086 is an apocalyptic number.

40166086 is a deficient number, since it is larger than the sum of its proper divisors (20668298).

40166086 is a wasteful number, since it uses less digits than its factorization.

40166086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195086.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40166086 is about 6337.6719700534. The cubic root of 40166086 is about 342.4678741601.

The spelling of 40166086 in words is "forty million, one hundred sixty-six thousand, eighty-six".