164011250520064 has 52 divisors (see below), whose sum is σ = 328002017463180. Its totient is φ = 82000735109120.

The previous prime is 164011250520053. The next prime is 164011250520107. The reversal of 164011250520064 is 460025052110461.

It can be written as a sum of positive squares in 2 ways, for example, as 30858113880064 + 133153136640000 = 5555008^2 + 11539200^2 .

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, 67991904 + ... + 70362784.

Almost surely, 2^{164011250520064} is an apocalyptic number.

It is an amenable number.

164011250520064 is a deficient number, since it is larger than the sum of its proper divisors (163990766943116).

164011250520064 is an equidigital number, since it uses as much as digits as its factorization.

164011250520064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387794 (or 2387772 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 164011250520064 in words is "one hundred sixty-four trillion, eleven billion, two hundred fifty million, five hundred twenty thousand, sixty-four".