164211633 has 12 divisors (see below), whose sum is σ = 237818880. Its totient is φ = 109186296.

The previous prime is 164211631. The next prime is 164211647. The reversal of 164211633 is 336112461.

164211633 is a `hidden beast` number, since 1 + 6 + 4 + 21 + 1 + 633 = 666.

It is not a de Polignac number, because 164211633 - 2¹ = 164211631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164211597 and 164211606.

It is not an unprimeable number, because it can be changed into a prime (164211631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20373 + ... + 27266.

It is an arithmetic number, because the mean of its divisors is an integer number (19818240).

Almost surely, 2^164211633 is an apocalyptic number.

It is an amenable number.

164211633 is a deficient number, since it is larger than the sum of its proper divisors (73607247).

164211633 is a wasteful number, since it uses less digits than its factorization.

164211633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48028 (or 48025 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 164211633 is about 12814.5086913233. The cubic root of 164211633 is about 547.6057167473.

The spelling of 164211633 in words is "one hundred sixty-four million, two hundred eleven thousand, six hundred thirty-three".