166439284342 has 16 divisors (see below), whose sum is σ = 252444487680. Its totient is φ = 82295391528.

The previous prime is 166439284313. The next prime is 166439284351. The reversal of 166439284342 is 243482934661.

It is a self number, because there is not a number n which added to its sum of digits gives 166439284342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989242 + ... + 1145197.

It is an arithmetic number, because the mean of its divisors is an integer number (15777780480).

Almost surely, 2^166439284342 is an apocalyptic number.

166439284342 is a deficient number, since it is larger than the sum of its proper divisors (86005203338).

166439284342 is a wasteful number, since it uses less digits than its factorization.

166439284342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134875.

The product of its digits is 5971968, while the sum is 52.

The spelling of 166439284342 in words is "one hundred sixty-six billion, four hundred thirty-nine million, two hundred eighty-four thousand, three hundred forty-two".