166435032442 has 32 divisors (see below), whose sum is σ = 302130743040. Its totient is φ = 67126752000.

The previous prime is 166435032437. The next prime is 166435032499. The reversal of 166435032442 is 244230534661.

It is a junction number, because it is equal to n+sod(n) for n = 166435032395 and 166435032404.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2853067 + ... + 2910817.

It is an arithmetic number, because the mean of its divisors is an integer number (9441585720).

Almost surely, 2^166435032442 is an apocalyptic number.

166435032442 is a deficient number, since it is larger than the sum of its proper divisors (135695710598).

166435032442 is a wasteful number, since it uses less digits than its factorization.

166435032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69886.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 166435032442 in words is "one hundred sixty-six billion, four hundred thirty-five million, thirty-two thousand, four hundred forty-two".