164441455 has 8 divisors (see below), whose sum is σ = 204134400. Its totient is φ = 127016736.

The previous prime is 164441443. The next prime is 164441489. The reversal of 164441455 is 554144461.

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 164441455 - 2⁹ = 164440943 is a prime.

It is a super-3 number, since 3×164441455³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164441455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566895 + ... + 567184.

It is an arithmetic number, because the mean of its divisors is an integer number (25516800).

Almost surely, 2^164441455 is an apocalyptic number.

164441455 is a deficient number, since it is larger than the sum of its proper divisors (39692945).

164441455 is a wasteful number, since it uses less digits than its factorization.

164441455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134113.

The product of its digits is 38400, while the sum is 34.

The square root of 164441455 is about 12823.4728135556. The cubic root of 164441455 is about 547.8610644196.

The spelling of 164441455 in words is "one hundred sixty-four million, four hundred forty-one thousand, four hundred fifty-five".