166984834506 has 32 divisors (see below), whose sum is σ = 381791131008. Its totient is φ = 47696014080.

The previous prime is 166984834433. The next prime is 166984834507. The reversal of 166984834506 is 605438489661.

166984834506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166984834506.

It is not an unprimeable number, because it can be changed into a prime (166984834507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434875 + ... + 723246.

It is an arithmetic number, because the mean of its divisors is an integer number (11930972844).

Almost surely, 2^166984834506 is an apocalyptic number.

166984834506 is an abundant number, since it is smaller than the sum of its proper divisors (214806296502).

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

166984834506 is a wasteful number, since it uses less digits than its factorization.

166984834506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161566.

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 166984834506 in words is "one hundred sixty-six billion, nine hundred eighty-four million, eight hundred thirty-four thousand, five hundred six".