166443130659 has 16 divisors (see below), whose sum is σ = 240599268000. Its totient is φ = 101739111936.

The previous prime is 166443130643. The next prime is 166443130697. The reversal of 166443130659 is 956031344661.

It is not a de Polignac number, because 166443130659 - 2⁴ = 166443130643 is a prime.

It is a super-3 number, since 3×166443130659³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (166443130859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14315574 + ... + 14327195.

It is an arithmetic number, because the mean of its divisors is an integer number (15037454250).

Almost surely, 2^166443130659 is an apocalyptic number.

166443130659 is a deficient number, since it is larger than the sum of its proper divisors (74156137341).

166443130659 is a wasteful number, since it uses less digits than its factorization.

166443130659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28642934.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 166443130659 in words is "one hundred sixty-six billion, four hundred forty-three million, one hundred thirty thousand, six hundred fifty-nine".