166163041 has 8 divisors (see below), whose sum is σ = 186168384. Its totient is φ = 146974320.

The previous prime is 166163029. The next prime is 166163047. The reversal of 166163041 is 140361661.

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 166163041 - 2⁵ = 166163009 is a prime.

It is a super-2 number, since 2×166163041² = 55220312388735362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166163047) 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, 203725 + ... + 204538.

It is an arithmetic number, because the mean of its divisors is an integer number (23271048).

Almost surely, 2^166163041 is an apocalyptic number.

166163041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166163041 is a deficient number, since it is larger than the sum of its proper divisors (20005343).

166163041 is a wasteful number, since it uses less digits than its factorization.

166163041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408311.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 166163041 is about 12890.4243917724. The cubic root of 166163041 is about 549.7663371080.

The spelling of 166163041 in words is "one hundred sixty-six million, one hundred sixty-three thousand, forty-one".