164125641 has 4 divisors (see below), whose sum is σ = 218834192. Its totient is φ = 109417092.

The previous prime is 164125627. The next prime is 164125651. The reversal of 164125641 is 146521461.

164125641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146521461 = 3 ⋅48840487.

It is not a de Polignac number, because 164125641 - 2⁷ = 164125513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164125599 and 164125608.

It is not an unprimeable number, because it can be changed into a prime (164125651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27354271 + ... + 27354276.

It is an arithmetic number, because the mean of its divisors is an integer number (54708548).

Almost surely, 2^164125641 is an apocalyptic number.

It is an amenable number.

164125641 is a deficient number, since it is larger than the sum of its proper divisors (54708551).

164125641 is an equidigital number, since it uses as much as digits as its factorization.

164125641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54708550.

The product of its digits is 5760, while the sum is 30.

The square root of 164125641 is about 12811.1529926077. The cubic root of 164125641 is about 547.5101126132.

The spelling of 164125641 in words is "one hundred sixty-four million, one hundred twenty-five thousand, six hundred forty-one".