166140563460 has 24 divisors (see below), whose sum is σ = 465193577856. Its totient is φ = 44304150240.

The previous prime is 166140563443. The next prime is 166140563471. The reversal of 166140563460 is 64365041661.

166140563460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1384504636 + ... + 1384504755.

It is an arithmetic number, because the mean of its divisors is an integer number (19383065744).

Almost surely, 2^166140563460 is an apocalyptic number.

166140563460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166140563460 is an abundant number, since it is smaller than the sum of its proper divisors (299053014396).

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

166140563460 is a wasteful number, since it uses less digits than its factorization.

166140563460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769009403 (or 2769009401 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 166140563460 in words is "one hundred sixty-six billion, one hundred forty million, five hundred sixty-three thousand, four hundred sixty".