164446942 has 16 divisors (see below), whose sum is σ = 270604800. Its totient is φ = 74329240.

The previous prime is 164446939. The next prime is 164446943. The reversal of 164446942 is 249644461.

It is a junction number, because it is equal to n+sod(n) for n = 164446895 and 164446904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164446943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16942 + ... + 24817.

It is an arithmetic number, because the mean of its divisors is an integer number (16912800).

Almost surely, 2^164446942 is an apocalyptic number.

164446942 is a deficient number, since it is larger than the sum of its proper divisors (106157858).

164446942 is a wasteful number, since it uses less digits than its factorization.

164446942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41951.

The product of its digits is 165888, while the sum is 40.

The square root of 164446942 is about 12823.6867553758. The cubic root of 164446942 is about 547.8671579362.

The spelling of 164446942 in words is "one hundred sixty-four million, four hundred forty-six thousand, nine hundred forty-two".