164179040425 has 12 divisors (see below), whose sum is σ = 203806494736. Its totient is φ = 131198403600.

The previous prime is 164179040401. The next prime is 164179040429. The reversal of 164179040425 is 524040971461.

164179040425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164179040425 - 2⁵ = 164179040393 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164179040429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3597591 + ... + 3642940.

Almost surely, 2^164179040425 is an apocalyptic number.

It is an amenable number.

164179040425 is a deficient number, since it is larger than the sum of its proper divisors (39627454311).

164179040425 is an equidigital number, since it uses as much as digits as its factorization.

164179040425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241448 (or 7241443 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 164179040425 in words is "one hundred sixty-four billion, one hundred seventy-nine million, forty thousand, four hundred twenty-five".