166115323 has 8 divisors (see below), whose sum is σ = 181465200. Its totient is φ = 150806880.

The previous prime is 166115317. The next prime is 166115351. The reversal of 166115323 is 323511661.

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 166115323 - 2¹³ = 166107131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166115291 and 166115300.

It is not an unprimeable number, because it can be changed into a prime (166115023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648 + ... + 18301.

It is an arithmetic number, because the mean of its divisors is an integer number (22683150).

Almost surely, 2^166115323 is an apocalyptic number.

166115323 is a deficient number, since it is larger than the sum of its proper divisors (15349877).

166115323 is a wasteful number, since it uses less digits than its factorization.

166115323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20717.

The product of its digits is 3240, while the sum is 28.

The square root of 166115323 is about 12888.5733500648. The cubic root of 166115323 is about 549.7137055449.

Adding to 166115323 its reverse (323511661), we get a palindrome (489626984).

The spelling of 166115323 in words is "one hundred sixty-six million, one hundred fifteen thousand, three hundred twenty-three".