164670775 has 6 divisors (see below), whose sum is σ = 204191792. Its totient is φ = 131736600.

The previous prime is 164670773. The next prime is 164670811. The reversal of 164670775 is 577076461.

It is not a de Polignac number, because 164670775 - 2¹ = 164670773 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 (164670773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3293391 + ... + 3293440.

Almost surely, 2^164670775 is an apocalyptic number.

164670775 is a deficient number, since it is larger than the sum of its proper divisors (39521017).

164670775 is an equidigital number, since it uses as much as digits as its factorization.

164670775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586841 (or 6586836 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 164670775 is about 12832.4111140502. The cubic root of 164670775 is about 548.1156173106.

The spelling of 164670775 in words is "one hundred sixty-four million, six hundred seventy thousand, seven hundred seventy-five".