166916683444 has 12 divisors (see below), whose sum is σ = 333833366944. Its totient is φ = 71535721464.

The previous prime is 166916683441. The next prime is 166916683489. The reversal of 166916683444 is 444386619661.

166916683444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

166916683444 is an admirable number.

It is a super-2 number, since 2×166916683444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166916683441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2980655034 + ... + 2980655089.

Almost surely, 2^166916683444 is an apocalyptic number.

166916683444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166916683444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166916683444 is a wasteful number, since it uses less digits than its factorization.

166916683444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961310134 (or 5961310132 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 58.

The spelling of 166916683444 in words is "one hundred sixty-six billion, nine hundred sixteen million, six hundred eighty-three thousand, four hundred forty-four".