166469216902 has 16 divisors (see below), whose sum is σ = 250744545792. Its totient is φ = 82888061760.

The previous prime is 166469216839. The next prime is 166469216929. The reversal of 166469216902 is 209612964661.

It is a self number, because there is not a number n which added to its sum of digits gives 166469216902.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 845548 + ... + 1023664.

It is an arithmetic number, because the mean of its divisors is an integer number (15671534112).

Almost surely, 2^166469216902 is an apocalyptic number.

166469216902 is a deficient number, since it is larger than the sum of its proper divisors (84275328890).

166469216902 is a wasteful number, since it uses less digits than its factorization.

166469216902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180063.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 166469216902 in words is "one hundred sixty-six billion, four hundred sixty-nine million, two hundred sixteen thousand, nine hundred two".