40166156 has 12 divisors (see below), whose sum is σ = 71617392. Its totient is φ = 19704048.

The previous prime is 40166143. The next prime is 40166177. The reversal of 40166156 is 65166104.

It is a super-2 number, since 2×40166156² = 3226640175632672, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 94520 + ... + 94943.

It is an arithmetic number, because the mean of its divisors is an integer number (5968116).

Almost surely, 2^40166156 is an apocalyptic number.

It is an amenable number.

40166156 is a deficient number, since it is larger than the sum of its proper divisors (31451236).

40166156 is a wasteful number, since it uses less digits than its factorization.

40166156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189520 (or 189518 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40166156 is about 6337.6774925835. The cubic root of 40166156 is about 342.4680731069.

The spelling of 40166156 in words is "forty million, one hundred sixty-six thousand, one hundred fifty-six".