166001041 has 8 divisors (see below), whose sum is σ = 168819200. Its totient is φ = 163200960.

The previous prime is 166001021. The next prime is 166001057. The reversal of 166001041 is 140100661.

It is a happy number.

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 166001041 - 2¹¹ = 165998993 is a prime.

It is a super-2 number, since 2×166001041² = 55112691226167362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166001021) 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, 14680 + ... + 23398.

It is an arithmetic number, because the mean of its divisors is an integer number (21102400).

Almost surely, 2^166001041 is an apocalyptic number.

It is an amenable number.

166001041 is a deficient number, since it is larger than the sum of its proper divisors (2818159).

166001041 is an equidigital number, since it uses as much as digits as its factorization.

166001041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 166001041 is about 12884.1391252967. The cubic root of 166001041 is about 549.5876148415.

The spelling of 166001041 in words is "one hundred sixty-six million, one thousand, forty-one".