164397871582 has 8 divisors (see below), whose sum is σ = 281824922736. Its totient is φ = 70456230672.

The previous prime is 164397871553. The next prime is 164397871601. The reversal of 164397871582 is 285178793461.

164397871582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164397871582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5871352543 + ... + 5871352570.

It is an arithmetic number, because the mean of its divisors is an integer number (35228115342).

Almost surely, 2^164397871582 is an apocalyptic number.

164397871582 is a deficient number, since it is larger than the sum of its proper divisors (117427051154).

164397871582 is a wasteful number, since it uses less digits than its factorization.

164397871582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742705122.

The product of its digits is 20321280, while the sum is 61.

The spelling of 164397871582 in words is "one hundred sixty-four billion, three hundred ninety-seven million, eight hundred seventy-one thousand, five hundred eighty-two".