164671753601 has 4 divisors (see below), whose sum is σ = 164718578772. Its totient is φ = 164624928432.

The previous prime is 164671753577. The next prime is 164671753613. The reversal of 164671753601 is 106357176461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106357176461 = 1181 ⋅90056881.

It can be written as a sum of positive squares in 2 ways, for example, as 159559503601 + 5112250000 = 399449^2 + 71500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164671753601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164671753691) 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, 23407310 + ... + 23414343.

It is an arithmetic number, because the mean of its divisors is an integer number (41179644693).

Almost surely, 2^164671753601 is an apocalyptic number.

It is an amenable number.

164671753601 is a deficient number, since it is larger than the sum of its proper divisors (46825171).

164671753601 is an equidigital number, since it uses as much as digits as its factorization.

164671753601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46825170.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 164671753601 in words is "one hundred sixty-four billion, six hundred seventy-one million, seven hundred fifty-three thousand, six hundred one".