3166661723243 has 8 divisors (see below), whose sum is σ = 3167978676960. Its totient is φ = 3165345025920.

The previous prime is 3166661723237. The next prime is 3166661723261. The reversal of 3166661723243 is 3423271666613.

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 3166661723243 - 2¹⁶ = 3166661657707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3166661723191 and 3166661723200.

It is not an unprimeable number, because it can be changed into a prime (3166666723243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26962778 + ... + 27079968.

It is an arithmetic number, because the mean of its divisors is an integer number (395997334620).

Almost surely, 2^{3166661723243} is an apocalyptic number.

3166661723243 is a deficient number, since it is larger than the sum of its proper divisors (1316953717).

3166661723243 is a wasteful number, since it uses less digits than its factorization.

3166661723243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128197.

The product of its digits is 3919104, while the sum is 50.

The spelling of 3166661723243 in words is "three trillion, one hundred sixty-six billion, six hundred sixty-one million, seven hundred twenty-three thousand, two hundred forty-three".