166036166 has 4 divisors (see below), whose sum is σ = 249054252. Its totient is φ = 83018082.

The previous prime is 166036151. The next prime is 166036181. The reversal of 166036166 is 661630661.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (166036151) and next prime (166036181).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41509040 + ... + 41509043.

It is an arithmetic number, because the mean of its divisors is an integer number (62263563).

Almost surely, 2^166036166 is an apocalyptic number.

166036166 is a deficient number, since it is larger than the sum of its proper divisors (83018086).

166036166 is an equidigital number, since it uses as much as digits as its factorization.

166036166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83018085.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 166036166 is about 12885.5021632841. The cubic root of 166036166 is about 549.6263754489.

The spelling of 166036166 in words is "one hundred sixty-six million, thirty-six thousand, one hundred sixty-six".