166634041 has 8 divisors (see below), whose sum is σ = 190840320. Its totient is φ = 142528128.

The previous prime is 166634023. The next prime is 166634063. The reversal of 166634041 is 140436661.

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 166634041 - 2¹⁹ = 166109753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166633994 and 166634012.

It is not an unprimeable number, because it can be changed into a prime (166634071) 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, 21496 + ... + 28201.

It is an arithmetic number, because the mean of its divisors is an integer number (23855040).

Almost surely, 2^166634041 is an apocalyptic number.

It is an amenable number.

166634041 is a deficient number, since it is larger than the sum of its proper divisors (24206279).

166634041 is an equidigital number, since it uses as much as digits as its factorization.

166634041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50183.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 166634041 is about 12908.6808388774. The cubic root of 166634041 is about 550.2852966131.

The spelling of 166634041 in words is "one hundred sixty-six million, six hundred thirty-four thousand, forty-one".