164646055 has 16 divisors (see below), whose sum is σ = 226324800. Its totient is φ = 112637952.

The previous prime is 164646019. The next prime is 164646061. The reversal of 164646055 is 550646461.

It is not a de Polignac number, because 164646055 - 2⁷ = 164645927 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10477 + ... + 20953.

It is an arithmetic number, because the mean of its divisors is an integer number (14145300).

Almost surely, 2^164646055 is an apocalyptic number.

164646055 is the 10477-th pentagonal number.

164646055 is a deficient number, since it is larger than the sum of its proper divisors (61678745).

164646055 is a wasteful number, since it uses less digits than its factorization.

164646055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10938.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 164646055 is about 12831.4478918008. The cubic root of 164646055 is about 548.0881886505.

The spelling of 164646055 in words is "one hundred sixty-four million, six hundred forty-six thousand, fifty-five".