164635413 has 8 divisors (see below), whose sum is σ = 219576768. Its totient is φ = 109725504.

The previous prime is 164635411. The next prime is 164635423. The reversal of 164635413 is 314536461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164635413 - 2¹ = 164635411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164635411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10456 + ... + 20942.

It is an arithmetic number, because the mean of its divisors is an integer number (27447096).

Almost surely, 2^164635413 is an apocalyptic number.

It is an amenable number.

164635413 is a deficient number, since it is larger than the sum of its proper divisors (54941355).

164635413 is a wasteful number, since it uses less digits than its factorization.

164635413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723.

The product of its digits is 25920, while the sum is 33.

The square root of 164635413 is about 12831.0332007988. The cubic root of 164635413 is about 548.0763797226.

The spelling of 164635413 in words is "one hundred sixty-four million, six hundred thirty-five thousand, four hundred thirteen".