164212063 has 4 divisors (see below), whose sum is σ = 164526568. Its totient is φ = 163897560.

The previous prime is 164212039. The next prime is 164212067. The reversal of 164212063 is 360212461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360212461 = 7 ⋅51458923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164212063 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 (164212067) 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, 156468 + ... + 157513.

It is an arithmetic number, because the mean of its divisors is an integer number (41131642).

Almost surely, 2^164212063 is an apocalyptic number.

164212063 is a deficient number, since it is larger than the sum of its proper divisors (314505).

164212063 is an equidigital number, since it uses as much as digits as its factorization.

164212063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314504.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 164212063 is about 12814.5254691697. The cubic root of 164212063 is about 547.6061947286.

The spelling of 164212063 in words is "one hundred sixty-four million, two hundred twelve thousand, sixty-three".