164402684044 has 12 divisors (see below), whose sum is σ = 287707634424. Its totient is φ = 82200502784.

The previous prime is 164402684029. The next prime is 164402684053. The reversal of 164402684044 is 440486204461.

164402684044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164402684044³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491187 + ... + 755029.

It is an arithmetic number, because the mean of its divisors is an integer number (23975636202).

Almost surely, 2^164402684044 is an apocalyptic number.

It is an amenable number.

164402684044 is a deficient number, since it is larger than the sum of its proper divisors (123304950380).

164402684044 is a wasteful number, since it uses less digits than its factorization.

164402684044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419624 (or 419622 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 164402684044 in words is "one hundred sixty-four billion, four hundred two million, six hundred eighty-four thousand, forty-four".