166342043 has 16 divisors (see below), whose sum is σ = 197116416. Its totient is φ = 137405760.

The previous prime is 166342031. The next prime is 166342067. The reversal of 166342043 is 340243661.

It is not a de Polignac number, because 166342043 - 2¹² = 166337947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166341997 and 166342015.

It is not an unprimeable number, because it can be changed into a prime (166342243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20330 + ... + 27312.

It is an arithmetic number, because the mean of its divisors is an integer number (12319776).

Almost surely, 2^166342043 is an apocalyptic number.

166342043 is a deficient number, since it is larger than the sum of its proper divisors (30774373).

166342043 is an equidigital number, since it uses as much as digits as its factorization.

166342043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 166342043 is about 12897.3657387856. The cubic root of 166342043 is about 549.9636813483.

The spelling of 166342043 in words is "one hundred sixty-six million, three hundred forty-two thousand, forty-three".