164155656324 has 24 divisors (see below), whose sum is σ = 417850761888. Its totient is φ = 49744138240.

The previous prime is 164155656257. The next prime is 164155656331. The reversal of 164155656324 is 423656551461.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 621801597 + ... + 621801860.

It is an arithmetic number, because the mean of its divisors is an integer number (17410448412).

Almost surely, 2^164155656324 is an apocalyptic number.

It is an amenable number.

164155656324 is an abundant number, since it is smaller than the sum of its proper divisors (253695105564).

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

164155656324 is a wasteful number, since it uses less digits than its factorization.

164155656324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243603475 (or 1243603473 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The spelling of 164155656324 in words is "one hundred sixty-four billion, one hundred fifty-five million, six hundred fifty-six thousand, three hundred twenty-four".