164364407 has 2 divisors, whose sum is σ = 164364408. Its totient is φ = 164364406.

The previous prime is 164364401. The next prime is 164364443. The reversal of 164364407 is 704463461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164364407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164364401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82182203 + 82182204.

It is an arithmetic number, because the mean of its divisors is an integer number (82182204).

Almost surely, 2^164364407 is an apocalyptic number.

164364407 is a deficient number, since it is larger than the sum of its proper divisors (1).

164364407 is an equidigital number, since it uses as much as digits as its factorization.

164364407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 164364407 is about 12820.4682831791. The cubic root of 164364407 is about 547.7754854443.

The spelling of 164364407 in words is "one hundred sixty-four million, three hundred sixty-four thousand, four hundred seven".