166152620064 has 24 divisors (see below), whose sum is σ = 436150627920. Its totient is φ = 55384206656.

The previous prime is 166152620021. The next prime is 166152620071. The reversal of 166152620064 is 460026251661.

166152620064 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 (24).

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 3 ways as a sum of consecutive naturals, for example, 865378134 + ... + 865378325.

It is an arithmetic number, because the mean of its divisors is an integer number (18172942830).

Almost surely, 2^166152620064 is an apocalyptic number.

It is an amenable number.

166152620064 is an abundant number, since it is smaller than the sum of its proper divisors (269998007856).

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

166152620064 is a wasteful number, since it uses less digits than its factorization.

166152620064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730756472 (or 1730756464 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 166152620064 in words is "one hundred sixty-six billion, one hundred fifty-two million, six hundred twenty thousand, sixty-four".