164201727 has 4 divisors (see below), whose sum is σ = 218935640. Its totient is φ = 109467816.

The previous prime is 164201717. The next prime is 164201749. The reversal of 164201727 is 727102461.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 164201727 - 2⁴ = 164201711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164201694 and 164201703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164201717) 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, 27366952 + ... + 27366957.

It is an arithmetic number, because the mean of its divisors is an integer number (54733910).

Almost surely, 2^164201727 is an apocalyptic number.

164201727 is a deficient number, since it is larger than the sum of its proper divisors (54733913).

164201727 is an equidigital number, since it uses as much as digits as its factorization.

164201727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54733912.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 164201727 is about 12814.1221704805. The cubic root of 164201727 is about 547.5947051618.

The spelling of 164201727 in words is "one hundred sixty-four million, two hundred one thousand, seven hundred twenty-seven".