164633953 has 8 divisors (see below), whose sum is σ = 182990016. Its totient is φ = 146842800.

The previous prime is 164633951. The next prime is 164633981. The reversal of 164633953 is 359336461.

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 164633953 - 2¹ = 164633951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164633951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140613 + ... + 141778.

It is an arithmetic number, because the mean of its divisors is an integer number (22873752).

Almost surely, 2^164633953 is an apocalyptic number.

It is an amenable number.

164633953 is a deficient number, since it is larger than the sum of its proper divisors (18356063).

164633953 is a wasteful number, since it uses less digits than its factorization.

164633953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282455.

The product of its digits is 174960, while the sum is 40.

The square root of 164633953 is about 12830.9763073587. The cubic root of 164633953 is about 548.0747595895.

The spelling of 164633953 in words is "one hundred sixty-four million, six hundred thirty-three thousand, nine hundred fifty-three".