166550115620170 has 16 divisors (see below), whose sum is σ = 312824564991360. Its totient is φ = 63723522498064.

The previous prime is 166550115620123. The next prime is 166550115620171. The reversal of 166550115620170 is 71026511055661.

166550115620170 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 166550115620170.

It is not an unprimeable number, because it can be changed into a prime (166550115620171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362065468510 + ... + 362065468969.

It is an arithmetic number, because the mean of its divisors is an integer number (19551535311960).

Almost surely, 2^{166550115620170} is an apocalyptic number.

166550115620170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166550115620170 is a deficient number, since it is larger than the sum of its proper divisors (146274449371190).

166550115620170 is a wasteful number, since it uses less digits than its factorization.

166550115620170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724130937509.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 166550115620170 in words is "one hundred sixty-six trillion, five hundred fifty billion, one hundred fifteen million, six hundred twenty thousand, one hundred seventy".