166345433 has 8 divisors (see below), whose sum is σ = 167344320. Its totient is φ = 165350160.

The previous prime is 166345427. The next prime is 166345447. The reversal of 166345433 is 334543661.

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 166345433 - 2⁶ = 166345369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166345393 and 166345402.

It is not an unprimeable number, because it can be changed into a prime (166345423) 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, 180548 + ... + 181466.

It is an arithmetic number, because the mean of its divisors is an integer number (20918040).

Almost surely, 2^166345433 is an apocalyptic number.

It is an amenable number.

166345433 is a deficient number, since it is larger than the sum of its proper divisors (998887).

166345433 is an equidigital number, since it uses as much as digits as its factorization.

166345433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 77760, while the sum is 35.

The square root of 166345433 is about 12897.4971603021. The cubic root of 166345433 is about 549.9674173536.

The spelling of 166345433 in words is "one hundred sixty-six million, three hundred forty-five thousand, four hundred thirty-three".