166616067744 has 96 divisors (see below), whose sum is σ = 555386912640. Its totient is φ = 47604589056.

The previous prime is 166616067733. The next prime is 166616067769. The reversal of 166616067744 is 447760616661.

166616067744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13768429 + ... + 13780524.

It is an arithmetic number, because the mean of its divisors is an integer number (5785280340).

Almost surely, 2^166616067744 is an apocalyptic number.

166616067744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166616067744 is an abundant number, since it is smaller than the sum of its proper divisors (388770844896).

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

166616067744 is a wasteful number, since it uses less digits than its factorization.

166616067744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27548979 (or 27548965 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 166616067744 in words is "one hundred sixty-six billion, six hundred sixteen million, sixty-seven thousand, seven hundred forty-four".