164085827 has 4 divisors (see below), whose sum is σ = 167181840. Its totient is φ = 160989816.

The previous prime is 164085809. The next prime is 164085851. The reversal of 164085827 is 728580461.

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 164085827 - 2⁶ = 164085763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164085227) 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, 1547927 + ... + 1548032.

It is an arithmetic number, because the mean of its divisors is an integer number (41795460).

Almost surely, 2^164085827 is an apocalyptic number.

164085827 is a deficient number, since it is larger than the sum of its proper divisors (3096013).

164085827 is an equidigital number, since it uses as much as digits as its factorization.

164085827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096012.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 164085827 is about 12809.5990179240. The cubic root of 164085827 is about 547.4658369181.

The spelling of 164085827 in words is "one hundred sixty-four million, eighty-five thousand, eight hundred twenty-seven".