164386507 has 8 divisors (see below), whose sum is σ = 168824880. Its totient is φ = 159968640.

The previous prime is 164386501. The next prime is 164386511. The reversal of 164386507 is 705683461.

It is a happy number.

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 164386507 - 2¹¹ = 164384459 is a prime.

It is a super-2 number, since 2×164386507² = 54045847367322098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164386507.

It is not an unprimeable number, because it can be changed into a prime (164386501) 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, 11868 + ... + 21670.

It is an arithmetic number, because the mean of its divisors is an integer number (21103110).

Almost surely, 2^164386507 is an apocalyptic number.

164386507 is a deficient number, since it is larger than the sum of its proper divisors (4438373).

164386507 is an equidigital number, since it uses as much as digits as its factorization.

164386507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 164386507 is about 12821.3301572029. The cubic root of 164386507 is about 547.8000351545.

The spelling of 164386507 in words is "one hundred sixty-four million, three hundred eighty-six thousand, five hundred seven".