164533336443642 has 16 divisors (see below), whose sum is σ = 329578440660000. Its totient is φ = 54759150852432.

The previous prime is 164533336443613. The next prime is 164533336443659. The reversal of 164533336443642 is 246344633335461.

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, 21323653017 + ... + 21323660732.

It is an arithmetic number, because the mean of its divisors is an integer number (20598652541250).

Almost surely, 2^{164533336443642} is an apocalyptic number.

164533336443642 is an abundant number, since it is smaller than the sum of its proper divisors (165045104216358).

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

164533336443642 is a wasteful number, since it uses less digits than its factorization.

164533336443642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42647314397.

The product of its digits is 134369280, while the sum is 57.

The spelling of 164533336443642 in words is "one hundred sixty-four trillion, five hundred thirty-three billion, three hundred thirty-six million, four hundred forty-three thousand, six hundred forty-two".