166023516104 has 16 divisors (see below), whose sum is σ = 311313881520. Its totient is φ = 83006481040.

The previous prime is 166023516049. The next prime is 166023516107. The reversal of 166023516104 is 401615320661.

It is not an unprimeable number, because it can be changed into a prime (166023516107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524282 + ... + 779049.

It is an arithmetic number, because the mean of its divisors is an integer number (19457117595).

Almost surely, 2^166023516104 is an apocalyptic number.

It is an amenable number.

166023516104 is a deficient number, since it is larger than the sum of its proper divisors (145290365416).

166023516104 is a wasteful number, since it uses less digits than its factorization.

166023516104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319260 (or 1319256 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 166023516104 its reverse (401615320661), we get a palindrome (567638836765).

The spelling of 166023516104 in words is "one hundred sixty-six billion, twenty-three million, five hundred sixteen thousand, one hundred four".