164637413 has 8 divisors (see below), whose sum is σ = 173521920. Its totient is φ = 155774880.

The previous prime is 164637397. The next prime is 164637461. The reversal of 164637413 is 314736461.

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 164637413 - 2⁴ = 164637397 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 (164637493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11228 + ... + 21338.

It is an arithmetic number, because the mean of its divisors is an integer number (21690240).

Almost surely, 2^164637413 is an apocalyptic number.

It is an amenable number.

164637413 is a deficient number, since it is larger than the sum of its proper divisors (8884507).

164637413 is a wasteful number, since it uses less digits than its factorization.

164637413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987.

The product of its digits is 36288, while the sum is 35.

The square root of 164637413 is about 12831.1111366086. Note that the first 4 decimals coincide. The cubic root of 164637413 is about 548.0785990676.

The spelling of 164637413 in words is "one hundred sixty-four million, six hundred thirty-seven thousand, four hundred thirteen".