164345622244415 has 8 divisors (see below), whose sum is σ = 199992419182368. Its totient is φ = 129624716136160.

The previous prime is 164345622244303. The next prime is 164345622244439. The reversal of 164345622244415 is 514442226543461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164345622244415 - 2²⁰ = 164345621195839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231472707032 + ... + 231472707741.

It is an arithmetic number, because the mean of its divisors is an integer number (24999052397796).

Almost surely, 2^{164345622244415} is an apocalyptic number.

164345622244415 is a deficient number, since it is larger than the sum of its proper divisors (35646796937953).

164345622244415 is an equidigital number, since it uses as much as digits as its factorization.

164345622244415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462945414849.

The product of its digits is 22118400, while the sum is 53.

Adding to 164345622244415 its reverse (514442226543461), we get a palindrome (678787848787876).

The spelling of 164345622244415 in words is "one hundred sixty-four trillion, three hundred forty-five billion, six hundred twenty-two million, two hundred forty-four thousand, four hundred fifteen".