164501121 has 8 divisors (see below), whose sum is σ = 219394080. Its totient is φ = 109637792.

The previous prime is 164501111. The next prime is 164501131. The reversal of 164501121 is 121105461.

It is an interprime number because it is at equal distance from previous prime (164501111) and next prime (164501131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164501121 - 2¹¹ = 164499073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164501111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18085 + ... + 25613.

It is an arithmetic number, because the mean of its divisors is an integer number (27424260).

Almost surely, 2^164501121 is an apocalyptic number.

It is an amenable number.

164501121 is a deficient number, since it is larger than the sum of its proper divisors (54892959).

164501121 is an equidigital number, since it uses as much as digits as its factorization.

164501121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14815.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 164501121 is about 12825.7990394361. The cubic root of 164501121 is about 547.9273184459.

Adding to 164501121 its reverse (121105461), we get a palindrome (285606582).

It can be divided in two parts, 16450 and 1121, that added together give a palindrome (17571).

The spelling of 164501121 in words is "one hundred sixty-four million, five hundred one thousand, one hundred twenty-one".