166339794301 has 4 divisors (see below), whose sum is σ = 166341051900. Its totient is φ = 166338536704.

The previous prime is 166339794293. The next prime is 166339794337. The reversal of 166339794301 is 103497933661.

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 70966296025 + 95373498276 = 266395^2 + 308826^2 .

It is a cyclic number.

It is not a de Polignac number, because 166339794301 - 2³ = 166339794293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166339794001) 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, 403486 + ... + 703903.

It is an arithmetic number, because the mean of its divisors is an integer number (41585262975).

Almost surely, 2^166339794301 is an apocalyptic number.

It is an amenable number.

166339794301 is a deficient number, since it is larger than the sum of its proper divisors (1257599).

166339794301 is a wasteful number, since it uses less digits than its factorization.

166339794301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257598.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 166339794301 in words is "one hundred sixty-six billion, three hundred thirty-nine million, seven hundred ninety-four thousand, three hundred one".