166673212743747 has 8 divisors (see below), whose sum is σ = 222271779108544. Its totient is φ = 111095060770728.

The previous prime is 166673212743721. The next prime is 166673212743797. The reversal of 166673212743747 is 747347212376661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166673212743747 - 2¹² = 166673212739651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166673212743797) 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, 5103578893 + ... + 5103611550.

It is an arithmetic number, because the mean of its divisors is an integer number (27783972388568).

Almost surely, 2^{166673212743747} is an apocalyptic number.

166673212743747 is a deficient number, since it is larger than the sum of its proper divisors (55598566364797).

166673212743747 is a wasteful number, since it uses less digits than its factorization.

166673212743747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207195889.

The product of its digits is 298722816, while the sum is 66.

The spelling of 166673212743747 in words is "one hundred sixty-six trillion, six hundred seventy-three billion, two hundred twelve million, seven hundred forty-three thousand, seven hundred forty-seven".