164780307 has 6 divisors (see below), whose sum is σ = 238016012. Its totient is φ = 109853532.

The previous prime is 164780281. The next prime is 164780309. The reversal of 164780307 is 703087461.

164780307 is a `hidden beast` number, since 1 + 647 + 8 + 0 + 3 + 0 + 7 = 666.

It is not a de Polignac number, because 164780307 - 2⁸ = 164780051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164780309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9154453 + ... + 9154470.

Almost surely, 2^164780307 is an apocalyptic number.

164780307 is a deficient number, since it is larger than the sum of its proper divisors (73235705).

164780307 is a wasteful number, since it uses less digits than its factorization.

164780307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308929 (or 18308926 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 164780307 is about 12836.6781918065. The cubic root of 164780307 is about 548.2371181123.

The spelling of 164780307 in words is "one hundred sixty-four million, seven hundred eighty thousand, three hundred seven".