164533647287 has 8 divisors (see below), whose sum is σ = 164909349120. Its totient is φ = 164158034040.

The previous prime is 164533647269. The next prime is 164533647301. The reversal of 164533647287 is 782746335461.

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-164533647287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164533947287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955612 + ... + 4988702.

It is an arithmetic number, because the mean of its divisors is an integer number (20613668640).

Almost surely, 2^164533647287 is an apocalyptic number.

164533647287 is a deficient number, since it is larger than the sum of its proper divisors (375701833).

164533647287 is a wasteful number, since it uses less digits than its factorization.

164533647287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44293.

The product of its digits is 20321280, while the sum is 56.

The spelling of 164533647287 in words is "one hundred sixty-four billion, five hundred thirty-three million, six hundred forty-seven thousand, two hundred eighty-seven".