166303364149 has 4 divisors (see below), whose sum is σ = 179095930636. Its totient is φ = 153510797664.

The previous prime is 166303364089. The next prime is 166303364237. The reversal of 166303364149 is 941463303661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96180616900 + 70122747249 = 310130^2 + 264807^2 .

It is a cyclic number.

It is not a de Polignac number, because 166303364149 - 2³¹ = 164155880501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166303364099 and 166303364108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166303367149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396283224 + ... + 6396283249.

It is an arithmetic number, because the mean of its divisors is an integer number (44773982659).

Almost surely, 2^166303364149 is an apocalyptic number.

It is an amenable number.

166303364149 is a deficient number, since it is larger than the sum of its proper divisors (12792566487).

166303364149 is a wasteful number, since it uses less digits than its factorization.

166303364149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792566486.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 166303364149 in words is "one hundred sixty-six billion, three hundred three million, three hundred sixty-four thousand, one hundred forty-nine".