164555507 has 8 divisors (see below), whose sum is σ = 168801600. Its totient is φ = 160340544.

The previous prime is 164555473. The next prime is 164555527. The reversal of 164555507 is 705555461.

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 164555507 - 2²² = 160361203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164555527) 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, 3119 + ... + 18407.

It is an arithmetic number, because the mean of its divisors is an integer number (21100200).

Almost surely, 2^164555507 is an apocalyptic number.

164555507 is a deficient number, since it is larger than the sum of its proper divisors (4246093).

164555507 is a wasteful number, since it uses less digits than its factorization.

164555507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 164555507 is about 12827.9190440227. The cubic root of 164555507 is about 547.9876955253.

The spelling of 164555507 in words is "one hundred sixty-four million, five hundred fifty-five thousand, five hundred seven".