164521436324356 has 12 divisors (see below), whose sum is σ = 287935383821260. Its totient is φ = 82254183804000.

The previous prime is 164521436324261. The next prime is 164521436324407. The reversal of 164521436324356 is 653423634125461.

It can be written as a sum of positive squares in 2 ways, for example, as 8196677384256 + 156324758940100 = 2862984^2 + 12502990^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164521436324297 and 164521436324306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633532895 + ... + 1633633606.

Almost surely, 2^{164521436324356} is an apocalyptic number.

It is an amenable number.

164521436324356 is a deficient number, since it is larger than the sum of its proper divisors (123413947496904).

164521436324356 is a wasteful number, since it uses less digits than its factorization.

164521436324356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267179094 (or 3267179092 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 55.

The spelling of 164521436324356 in words is "one hundred sixty-four trillion, five hundred twenty-one billion, four hundred thirty-six million, three hundred twenty-four thousand, three hundred fifty-six".