164030947 has 4 divisors (see below), whose sum is σ = 164062080. Its totient is φ = 163999816.

The previous prime is 164030929. The next prime is 164030957. The reversal of 164030947 is 749030461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164030947 - 2²⁷ = 29813219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164030957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488 + ... + 18925.

It is an arithmetic number, because the mean of its divisors is an integer number (41015520).

Almost surely, 2^164030947 is an apocalyptic number.

164030947 is a deficient number, since it is larger than the sum of its proper divisors (31133).

164030947 is an equidigital number, since it uses as much as digits as its factorization.

164030947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31132.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 164030947 is about 12807.4566952225. The cubic root of 164030947 is about 547.4047951330.

The spelling of 164030947 in words is "one hundred sixty-four million, thirty thousand, nine hundred forty-seven".