166454122 has 16 divisors (see below), whose sum is σ = 252642240. Its totient is φ = 82244128.

The previous prime is 166454111. The next prime is 166454129. The reversal of 166454122 is 221454661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166454129) by changing a digit.

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, 121083 + ... + 122449.

It is an arithmetic number, because the mean of its divisors is an integer number (15790140).

Almost surely, 2^166454122 is an apocalyptic number.

166454122 is a deficient number, since it is larger than the sum of its proper divisors (86188118).

166454122 is a wasteful number, since it uses less digits than its factorization.

166454122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its digits is 11520, while the sum is 31.

The square root of 166454122 is about 12901.7100416960. The cubic root of 166454122 is about 550.0871729595.

The spelling of 166454122 in words is "one hundred sixty-six million, four hundred fifty-four thousand, one hundred twenty-two".