164311487 has 12 divisors (see below), whose sum is σ = 177788520. Its totient is φ = 151432416.

The previous prime is 164311481. The next prime is 164311507. The reversal of 164311487 is 784113461.

It is a happy number.

It is not a de Polignac number, because 164311487 - 2¹⁰ = 164310463 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 (164311481) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22853 + ... + 29169.

It is an arithmetic number, because the mean of its divisors is an integer number (14815710).

Almost surely, 2^164311487 is an apocalyptic number.

164311487 is a deficient number, since it is larger than the sum of its proper divisors (13477033).

164311487 is an equidigital number, since it uses as much as digits as its factorization.

164311487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6373 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 164311487 is about 12818.4042298564. The cubic root of 164311487 is about 547.7166904962.

The spelling of 164311487 in words is "one hundred sixty-four million, three hundred eleven thousand, four hundred eighty-seven".