166899522 has 8 divisors (see below), whose sum is σ = 333799056. Its totient is φ = 55633172.

The previous prime is 166899517. The next prime is 166899529. The reversal of 166899522 is 225998661.

It is a sphenic number, since it is the product of 3 distinct primes.

166899522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (166899529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13908288 + ... + 13908299.

It is an arithmetic number, because the mean of its divisors is an integer number (41724882).

Almost surely, 2^166899522 is an apocalyptic number.

166899522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166899522 is a wasteful number, since it uses less digits than its factorization.

166899522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27816592.

The product of its digits is 466560, while the sum is 48.

The square root of 166899522 is about 12918.9597878467. The cubic root of 166899522 is about 550.5773793412.

The spelling of 166899522 in words is "one hundred sixty-six million, eight hundred ninety-nine thousand, five hundred twenty-two".