166655510160 has 80 divisors (see below), whose sum is σ = 543823258560. Its totient is φ = 42102443520.

The previous prime is 166655510143. The next prime is 166655510207. The reversal of 166655510160 is 61015556661.

166655510160 is digitally balanced in base 3, 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 (80).

It is an unprimeable number.

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, 18269071 + ... + 18278190.

It is an arithmetic number, because the mean of its divisors is an integer number (6797790732).

Almost surely, 2^166655510160 is an apocalyptic number.

166655510160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166655510160 is an abundant number, since it is smaller than the sum of its proper divisors (377167748400).

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

166655510160 is a wasteful number, since it uses less digits than its factorization.

166655510160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547296 (or 36547290 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 166655510160 in words is "one hundred sixty-six billion, six hundred fifty-five million, five hundred ten thousand, one hundred sixty".