164473783 has 2 divisors, whose sum is σ = 164473784. Its totient is φ = 164473782.

The previous prime is 164473741. The next prime is 164473801. The reversal of 164473783 is 387374461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164473783 - 2⁹ = 164473271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161473783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82236891 + 82236892.

It is an arithmetic number, because the mean of its divisors is an integer number (82236892).

Almost surely, 2^164473783 is an apocalyptic number.

164473783 is a deficient number, since it is larger than the sum of its proper divisors (1).

164473783 is an equidigital number, since it uses as much as digits as its factorization.

164473783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 164473783 is about 12824.7332525866. The cubic root of 164473783 is about 547.8969639073.

The spelling of 164473783 in words is "one hundred sixty-four million, four hundred seventy-three thousand, seven hundred eighty-three".