164870327 has 4 divisors (see below), whose sum is σ = 165596856. Its totient is φ = 164143800.

The previous prime is 164870309. The next prime is 164870339. The reversal of 164870327 is 723078461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723078461 = 7 ⋅103296923.

It is a cyclic number.

It is not a de Polignac number, because 164870327 - 2¹⁰ = 164869303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164870347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362924 + ... + 363377.

It is an arithmetic number, because the mean of its divisors is an integer number (41399214).

Almost surely, 2^164870327 is an apocalyptic number.

164870327 is a deficient number, since it is larger than the sum of its proper divisors (726529).

164870327 is an equidigital number, since it uses as much as digits as its factorization.

164870327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726528.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 164870327 is about 12840.1840718893. The cubic root of 164870327 is about 548.3369344918.

The spelling of 164870327 in words is "one hundred sixty-four million, eight hundred seventy thousand, three hundred twenty-seven".