164333011 has 4 divisors (see below), whose sum is σ = 164503224. Its totient is φ = 164162800.

The previous prime is 164333003. The next prime is 164333023. The reversal of 164333011 is 110333461.

It is a happy number.

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 164333011 - 2³ = 164333003 is a prime.

It is a super-2 number, since 2×164333011² = 54010677008652242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164333311) 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, 83650 + ... + 85591.

It is an arithmetic number, because the mean of its divisors is an integer number (41125806).

Almost surely, 2^164333011 is an apocalyptic number.

164333011 is a deficient number, since it is larger than the sum of its proper divisors (170213).

164333011 is an equidigital number, since it uses as much as digits as its factorization.

164333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170212.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 164333011 is about 12819.2437764480. The cubic root of 164333011 is about 547.7406055198.

Adding to 164333011 its reverse (110333461), we get a palindrome (274666472).

The spelling of 164333011 in words is "one hundred sixty-four million, three hundred thirty-three thousand, eleven".