164040233 has 8 divisors (see below), whose sum is σ = 187772160. Its totient is φ = 140382720.

The previous prime is 164040223. The next prime is 164040241. The reversal of 164040233 is 332040461.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164040233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164040199 and 164040208.

It is not an unprimeable number, because it can be changed into a prime (164040223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13793 + ... + 22766.

It is an arithmetic number, because the mean of its divisors is an integer number (23471520).

Almost surely, 2^164040233 is an apocalyptic number.

It is an amenable number.

164040233 is a deficient number, since it is larger than the sum of its proper divisors (23731927).

164040233 is an equidigital number, since it uses as much as digits as its factorization.

164040233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37207.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 164040233 is about 12807.8192132775. The cubic root of 164040233 is about 547.4151246981.

Adding to 164040233 its reverse (332040461), we get a palindrome (496080694).

The spelling of 164040233 in words is "one hundred sixty-four million, forty thousand, two hundred thirty-three".