166306314541 has 4 divisors (see below), whose sum is σ = 166308060412. Its totient is φ = 166304568672.

The previous prime is 166306314491. The next prime is 166306314553. The reversal of 166306314541 is 145413603661.

166306314541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 20098732900 + 146207581641 = 141770^2 + 382371^2 .

It is a cyclic number.

It is not a de Polignac number, because 166306314541 - 2⁹ = 166306314029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166306314494 and 166306314503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166306344541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721266 + ... + 923491.

It is an arithmetic number, because the mean of its divisors is an integer number (41577015103).

Almost surely, 2^166306314541 is an apocalyptic number.

It is an amenable number.

166306314541 is a deficient number, since it is larger than the sum of its proper divisors (1745871).

166306314541 is a wasteful number, since it uses less digits than its factorization.

166306314541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745870.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 166306314541 in words is "one hundred sixty-six billion, three hundred six million, three hundred fourteen thousand, five hundred forty-one".