164674507 has 2 divisors, whose sum is σ = 164674508. Its totient is φ = 164674506.

The previous prime is 164674483. The next prime is 164674513. The reversal of 164674507 is 705476461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164674507 - 2⁷ = 164674379 is a prime.

It is a super-3 number, since 3×164674507³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164674507.

It is not a weakly prime, because it can be changed into another prime (164674547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82337253 + 82337254.

It is an arithmetic number, because the mean of its divisors is an integer number (82337254).

Almost surely, 2^164674507 is an apocalyptic number.

164674507 is a deficient number, since it is larger than the sum of its proper divisors (1).

164674507 is an equidigital number, since it uses as much as digits as its factorization.

164674507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 164674507 is about 12832.5565262733. The cubic root of 164674507 is about 548.1197580009.

The spelling of 164674507 in words is "one hundred sixty-four million, six hundred seventy-four thousand, five hundred seven".