166514941 has 4 divisors (see below), whose sum is σ = 166544572. Its totient is φ = 166485312.

The previous prime is 166514927. The next prime is 166514947. The reversal of 166514941 is 149415661.

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

It can be written as a sum of positive squares in 2 ways, for example, as 117094041 + 49420900 = 10821^2 + 7030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166514941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166514941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166514947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510 + ... + 18583.

It is an arithmetic number, because the mean of its divisors is an integer number (41636143).

Almost surely, 2^166514941 is an apocalyptic number.

It is an amenable number.

166514941 is a deficient number, since it is larger than the sum of its proper divisors (29631).

166514941 is an equidigital number, since it uses as much as digits as its factorization.

166514941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29630.

The product of its digits is 25920, while the sum is 37.

The square root of 166514941 is about 12904.0668395665. The cubic root of 166514941 is about 550.1541617440.

The spelling of 166514941 in words is "one hundred sixty-six million, five hundred fourteen thousand, nine hundred forty-one".