164422087 has 8 divisors (see below), whose sum is σ = 168892416. Its totient is φ = 160011192.

The previous prime is 164422073. The next prime is 164422099. The reversal of 164422087 is 780224461.

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-164422087 is a prime.

It is a super-3 number, since 3×164422087³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164422787) 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, 9223 + ... + 20344.

It is an arithmetic number, because the mean of its divisors is an integer number (21111552).

Almost surely, 2^164422087 is an apocalyptic number.

164422087 is a deficient number, since it is larger than the sum of its proper divisors (4470329).

164422087 is an equidigital number, since it uses as much as digits as its factorization.

164422087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29717.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 164422087 is about 12822.7176136730. The cubic root of 164422087 is about 547.8395544548.

The spelling of 164422087 in words is "one hundred sixty-four million, four hundred twenty-two thousand, eighty-seven".