164345461605153 has 20 divisors (see below), whose sum is σ = 245504213898240. Its totient is φ = 109563418086552.

The previous prime is 164345461605151. The next prime is 164345461605167. The reversal of 164345461605153 is 351506164543461.

164345461605153 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 4 + 5 + 4 + 61 + 60 + 515 + 3 = 666.

It is not a de Polignac number, because 164345461605153 - 2¹ = 164345461605151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164345461605153.

It is not an unprimeable number, because it can be changed into a prime (164345461605151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44394168 + ... + 47953446.

It is an arithmetic number, because the mean of its divisors is an integer number (12275210694912).

Almost surely, 2^{164345461605153} is an apocalyptic number.

It is an amenable number.

164345461605153 is a deficient number, since it is larger than the sum of its proper divisors (81158752293087).

164345461605153 is an equidigital number, since it uses as much as digits as its factorization.

164345461605153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129338 (or 4129329 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 164345461605153 in words is "one hundred sixty-four trillion, three hundred forty-five billion, four hundred sixty-one million, six hundred five thousand, one hundred fifty-three".