164475441520042 has 16 divisors (see below), whose sum is σ = 247642572224520. Its totient is φ = 81928217210112.

The previous prime is 164475441520031. The next prime is 164475441520099. The reversal of 164475441520042 is 240025144574461.

164475441520042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28703331287401 + 135772110232641 = 5357549^2 + 11652129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73842817 + ... + 76037572.

Almost surely, 2^{164475441520042} is an apocalyptic number.

164475441520042 is a deficient number, since it is larger than the sum of its proper divisors (83167130704478).

164475441520042 is a wasteful number, since it uses less digits than its factorization.

164475441520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149882457.

The product of its (nonzero) digits is 4300800, while the sum is 49.

The spelling of 164475441520042 in words is "one hundred sixty-four trillion, four hundred seventy-five billion, four hundred forty-one million, five hundred twenty thousand, forty-two".