164365633 has 4 divisors (see below), whose sum is σ = 164547760. Its totient is φ = 164183508.

The previous prime is 164365631. The next prime is 164365657. The reversal of 164365633 is 336563461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164365633 - 2¹ = 164365631 is a prime.

It is a super-2 number, since 2×164365633² = 54032122622981378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164365592 and 164365601.

It is not an unprimeable number, because it can be changed into a prime (164365631) 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, 89703 + ... + 91516.

It is an arithmetic number, because the mean of its divisors is an integer number (41136940).

Almost surely, 2^164365633 is an apocalyptic number.

It is an amenable number.

164365633 is a deficient number, since it is larger than the sum of its proper divisors (182127).

164365633 is an equidigital number, since it uses as much as digits as its factorization.

164365633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182126.

The product of its digits is 116640, while the sum is 37.

The square root of 164365633 is about 12820.5160972560. The cubic root of 164365633 is about 547.7768473999.

It can be divided in two parts, 1643 and 65633, that added together give a palindrome (67276).

The spelling of 164365633 in words is "one hundred sixty-four million, three hundred sixty-five thousand, six hundred thirty-three".