164612663 has 8 divisors (see below), whose sum is σ = 168818496. Its totient is φ = 160416000.

The previous prime is 164612653. The next prime is 164612677. The reversal of 164612663 is 366216461.

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 164612663 - 2¹⁰ = 164611639 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 (164612603) 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 7 ways as a sum of consecutive naturals, for example, 47570 + ... + 50912.

It is an arithmetic number, because the mean of its divisors is an integer number (21102312).

Almost surely, 2^164612663 is an apocalyptic number.

164612663 is a deficient number, since it is larger than the sum of its proper divisors (4205833).

164612663 is a wasteful number, since it uses less digits than its factorization.

164612663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585.

The product of its digits is 31104, while the sum is 35.

The square root of 164612663 is about 12830.1466476420. The cubic root of 164612663 is about 548.0511334086.

The spelling of 164612663 in words is "one hundred sixty-four million, six hundred twelve thousand, six hundred sixty-three".