164406440364052 has 12 divisors (see below), whose sum is σ = 287711408920320. Its totient is φ = 82203180672536.

The previous prime is 164406440363981. The next prime is 164406440364079. The reversal of 164406440364052 is 250463044604461.

It is a super-3 number, since 3×164406440364052³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164406440363987 and 164406440364005.

It is a congruent number.

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, 757599 + ... + 18149017.

It is an arithmetic number, because the mean of its divisors is an integer number (23975950743360).

Almost surely, 2^{164406440364052} is an apocalyptic number.

It is an amenable number.

164406440364052 is a deficient number, since it is larger than the sum of its proper divisors (123304968556268).

164406440364052 is a wasteful number, since it uses less digits than its factorization.

164406440364052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19754750 (or 19754748 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 164406440364052 in words is "one hundred sixty-four trillion, four hundred six billion, four hundred forty million, three hundred sixty-four thousand, fifty-two".