166495843 has 4 divisors (see below), whose sum is σ = 169637328. Its totient is φ = 163354360.

The previous prime is 166495829. The next prime is 166495853. The reversal of 166495843 is 348594661.

166495843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 166495843 - 2⁵ = 166495811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166495793 and 166495802.

It is not an unprimeable number, because it can be changed into a prime (166495853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570663 + ... + 1570768.

It is an arithmetic number, because the mean of its divisors is an integer number (42409332).

Almost surely, 2^166495843 is an apocalyptic number.

166495843 is a deficient number, since it is larger than the sum of its proper divisors (3141485).

166495843 is an equidigital number, since it uses as much as digits as its factorization.

166495843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141484.

The product of its digits is 622080, while the sum is 46.

The square root of 166495843 is about 12903.3268190804. The cubic root of 166495843 is about 550.1331281042.

The spelling of 166495843 in words is "one hundred sixty-six million, four hundred ninety-five thousand, eight hundred forty-three".