166154322 has 16 divisors (see below), whose sum is σ = 340037280. Its totient is φ = 54096672.

The previous prime is 166154291. The next prime is 166154371. The reversal of 166154322 is 223451661.

It is a self number, because there is not a number n which added to its sum of digits gives 166154322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321747 + ... + 322262.

It is an arithmetic number, because the mean of its divisors is an integer number (21252330).

Almost surely, 2^166154322 is an apocalyptic number.

166154322 is an abundant number, since it is smaller than the sum of its proper divisors (173882958).

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

166154322 is a wasteful number, since it uses less digits than its factorization.

166154322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644057.

The product of its digits is 8640, while the sum is 30.

The square root of 166154322 is about 12890.0861905575. The cubic root of 166154322 is about 549.7567210576.

The spelling of 166154322 in words is "one hundred sixty-six million, one hundred fifty-four thousand, three hundred twenty-two".