164345122050523 has 16 divisors (see below), whose sum is σ = 183171547977120. Its totient is φ = 146536415801856.

The previous prime is 164345122050491. The next prime is 164345122050539. The reversal of 164345122050523 is 325050221543461.

It is a cyclic number.

It is not a de Polignac number, because 164345122050523 - 2⁵ = 164345122050491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164345122050523.

It is not an unprimeable number, because it can be changed into a prime (164345122050023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219787761 + ... + 220534237.

It is an arithmetic number, because the mean of its divisors is an integer number (11448221748570).

Almost surely, 2^{164345122050523} is an apocalyptic number.

164345122050523 is a deficient number, since it is larger than the sum of its proper divisors (18826425926597).

164345122050523 is a wasteful number, since it uses less digits than its factorization.

164345122050523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428126.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 164345122050523 its reverse (325050221543461), we get a palindrome (489395343593984).

The spelling of 164345122050523 in words is "one hundred sixty-four trillion, three hundred forty-five billion, one hundred twenty-two million, fifty thousand, five hundred twenty-three".