166115212024 has 32 divisors (see below), whose sum is σ = 327880198800. Its totient is φ = 78681058560.

The previous prime is 166115211979. The next prime is 166115212027. The reversal of 166115212024 is 420212511661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166115212027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438114 + ... + 3486094.

Almost surely, 2^166115212024 is an apocalyptic number.

It is an amenable number.

166115212024 is a deficient number, since it is larger than the sum of its proper divisors (161764986776).

166115212024 is a wasteful number, since it uses less digits than its factorization.

166115212024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70783 (or 70779 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 166115212024 its reverse (420212511661), we get a palindrome (586327723685).

The spelling of 166115212024 in words is "one hundred sixty-six billion, one hundred fifteen million, two hundred twelve thousand, twenty-four".