164432419 has 2 divisors, whose sum is σ = 164432420. Its totient is φ = 164432418.

The previous prime is 164432399. The next prime is 164432423. The reversal of 164432419 is 914234461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164432419 is a prime.

It is a super-3 number, since 3×164432419³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (164432459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82216209 + 82216210.

It is an arithmetic number, because the mean of its divisors is an integer number (82216210).

Almost surely, 2^164432419 is an apocalyptic number.

164432419 is a deficient number, since it is larger than the sum of its proper divisors (1).

164432419 is an equidigital number, since it uses as much as digits as its factorization.

164432419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 164432419 is about 12823.1204860595. The cubic root of 164432419 is about 547.8510293117.

The spelling of 164432419 in words is "one hundred sixty-four million, four hundred thirty-two thousand, four hundred nineteen".