164215033 has 8 divisors (see below), whose sum is σ = 167131368. Its totient is φ = 161316864.

The previous prime is 164215031. The next prime is 164215049. The reversal of 164215033 is 330512461.

It can be written as a sum of positive squares in 4 ways, for example, as 111260304 + 52954729 = 10548^2 + 7277^2 .

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 164215033 - 2¹ = 164215031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164214989 and 164215007.

It is not an unprimeable number, because it can be changed into a prime (164215031) 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, 14385 + ... + 23137.

It is an arithmetic number, because the mean of its divisors is an integer number (20891421).

Almost surely, 2^164215033 is an apocalyptic number.

It is an amenable number.

164215033 is a deficient number, since it is larger than the sum of its proper divisors (2916335).

164215033 is an equidigital number, since it uses as much as digits as its factorization.

164215033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 164215033 is about 12814.6413527652. The cubic root of 164215033 is about 547.6094961113.

Adding to 164215033 its reverse (330512461), we get a palindrome (494727494).

The spelling of 164215033 in words is "one hundred sixty-four million, two hundred fifteen thousand, thirty-three".