166452988163 has 8 divisors (see below), whose sum is σ = 207525803520. Its totient is φ = 129703627080.

The previous prime is 166452988151. The next prime is 166452988213. The reversal of 166452988163 is 361889254661.

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 166452988163 - 2¹⁸ = 166452726019 is a prime.

It is a super-2 number, since 2×166452988163² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166452988463) 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, 1080863483 + ... + 1080863636.

It is an arithmetic number, because the mean of its divisors is an integer number (25940725440).

Almost surely, 2^166452988163 is an apocalyptic number.

166452988163 is a deficient number, since it is larger than the sum of its proper divisors (41072815357).

166452988163 is a wasteful number, since it uses less digits than its factorization.

166452988163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161727137.

The product of its digits is 14929920, while the sum is 59.

The spelling of 166452988163 in words is "one hundred sixty-six billion, four hundred fifty-two million, nine hundred eighty-eight thousand, one hundred sixty-three".