166043041 has 8 divisors (see below), whose sum is σ = 167560704. Its totient is φ = 164530080.

The previous prime is 166043027. The next prime is 166043083. The reversal of 166043041 is 140340661.

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

It is a cyclic number.

It is not a de Polignac number, because 166043041 - 2⁹ = 166042529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166042997 and 166043015.

It is not an unprimeable number, because it can be changed into a prime (166044041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135156 + ... + 136378.

It is an arithmetic number, because the mean of its divisors is an integer number (20945088).

Almost surely, 2^166043041 is an apocalyptic number.

It is an amenable number.

166043041 is a deficient number, since it is larger than the sum of its proper divisors (1517663).

166043041 is a wasteful number, since it uses less digits than its factorization.

166043041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 166043041 is about 12885.7689332069. The cubic root of 166043041 is about 549.6339614050.

The spelling of 166043041 in words is "one hundred sixty-six million, forty-three thousand, forty-one".