166030006323613 has 4 divisors (see below), whose sum is σ = 166030035258780. Its totient is φ = 166029977388448.

The previous prime is 166030006323557. The next prime is 166030006323641. The reversal of 166030006323613 is 316323600030661.

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 117273890100249 + 48756116223364 = 10829307^2 + 6982558^2 .

It is a cyclic number.

It is not a de Polignac number, because 166030006323613 - 2²¹ = 166030004226461 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 (166030006323913) 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 3 ways as a sum of consecutive naturals, for example, 2634448 + ... + 18411961.

It is an arithmetic number, because the mean of its divisors is an integer number (41507508814695).

Almost surely, 2^{166030006323613} is an apocalyptic number.

It is an amenable number.

166030006323613 is a deficient number, since it is larger than the sum of its proper divisors (28935167).

166030006323613 is an equidigital number, since it uses as much as digits as its factorization.

166030006323613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28935166.

The product of its (nonzero) digits is 209952, while the sum is 40.

The spelling of 166030006323613 in words is "one hundred sixty-six trillion, thirty billion, six million, three hundred twenty-three thousand, six hundred thirteen".