164155146 has 16 divisors (see below), whose sum is σ = 328770624. Its totient is φ = 54641664.

The previous prime is 164155139. The next prime is 164155171. The reversal of 164155146 is 641551461.

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, 14455 + ... + 23178.

It is an arithmetic number, because the mean of its divisors is an integer number (20548164).

Almost surely, 2^164155146 is an apocalyptic number.

164155146 is an abundant number, since it is smaller than the sum of its proper divisors (164615478).

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

164155146 is a wasteful number, since it uses less digits than its factorization.

164155146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38365.

The product of its digits is 14400, while the sum is 33.

The square root of 164155146 is about 12812.3044765569. The cubic root of 164155146 is about 547.5429194268.

The spelling of 164155146 in words is "one hundred sixty-four million, one hundred fifty-five thousand, one hundred forty-six".