164061727 has 4 divisors (see below), whose sum is σ = 167877160. Its totient is φ = 160246296.

The previous prime is 164061661. The next prime is 164061739. The reversal of 164061727 is 727160461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 164061727 - 2²⁷ = 29843999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164061692 and 164061701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164062727) 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, 1907652 + ... + 1907737.

It is an arithmetic number, because the mean of its divisors is an integer number (41969290).

Almost surely, 2^164061727 is an apocalyptic number.

164061727 is a deficient number, since it is larger than the sum of its proper divisors (3815433).

164061727 is an equidigital number, since it uses as much as digits as its factorization.

164061727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815432.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 164061727 is about 12808.6582825837. The cubic root of 164061727 is about 547.4390327086.

The spelling of 164061727 in words is "one hundred sixty-four million, sixty-one thousand, seven hundred twenty-seven".