166442534 has 24 divisors (see below), whose sum is σ = 264321984. Its totient is φ = 78523200.

The previous prime is 166442501. The next prime is 166442561. The reversal of 166442534 is 435244661.

166442534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166442494 and 166442503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103424 + ... + 105020.

It is an arithmetic number, because the mean of its divisors is an integer number (11013416).

Almost surely, 2^166442534 is an apocalyptic number.

166442534 is a deficient number, since it is larger than the sum of its proper divisors (97879450).

166442534 is a wasteful number, since it uses less digits than its factorization.

166442534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1671 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 166442534 is about 12901.2609461246. The cubic root of 166442534 is about 550.0744075641.

The spelling of 166442534 in words is "one hundred sixty-six million, four hundred forty-two thousand, five hundred thirty-four".