164711553 has 8 divisors (see below), whose sum is σ = 219810816. Its totient is φ = 109710000.

The previous prime is 164711549. The next prime is 164711593. The reversal of 164711553 is 355117461.

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

It is not a de Polignac number, because 164711553 - 2² = 164711549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164711593) 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, 20398 + ... + 27303.

It is an arithmetic number, because the mean of its divisors is an integer number (27476352).

Almost surely, 2^164711553 is an apocalyptic number.

It is an amenable number.

164711553 is a deficient number, since it is larger than the sum of its proper divisors (55099263).

164711553 is a wasteful number, since it uses less digits than its factorization.

164711553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48855.

The product of its digits is 12600, while the sum is 33.

The square root of 164711553 is about 12833.9998831230. Note that the first 3 decimals coincide. The cubic root of 164711553 is about 548.1608575056.

The spelling of 164711553 in words is "one hundred sixty-four million, seven hundred eleven thousand, five hundred fifty-three".