164372207 has 4 divisors (see below), whose sum is σ = 167869536. Its totient is φ = 160874880.

The previous prime is 164372183. The next prime is 164372251. The reversal of 164372207 is 702273461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702273461 = 41 ⋅17128621.

It is a cyclic number.

It is not a de Polignac number, because 164372207 - 2¹⁰ = 164371183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164372267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748594 + ... + 1748687.

It is an arithmetic number, because the mean of its divisors is an integer number (41967384).

Almost surely, 2^164372207 is an apocalyptic number.

164372207 is a deficient number, since it is larger than the sum of its proper divisors (3497329).

164372207 is an equidigital number, since it uses as much as digits as its factorization.

164372207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497328.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 164372207 is about 12820.7724806269. The cubic root of 164372207 is about 547.7841502991.

The spelling of 164372207 in words is "one hundred sixty-four million, three hundred seventy-two thousand, two hundred seven".