164754949 has 2 divisors, whose sum is σ = 164754950. Its totient is φ = 164754948.

The previous prime is 164754923. The next prime is 164754979. The reversal of 164754949 is 949457461.

164754949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 61732449 = 10150^2 + 7857^2 .

It is a cyclic number.

It is not a de Polignac number, because 164754949 - 2⁹ = 164754437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164754979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82377474 + 82377475.

It is an arithmetic number, because the mean of its divisors is an integer number (82377475).

Almost surely, 2^164754949 is an apocalyptic number.

It is an amenable number.

164754949 is a deficient number, since it is larger than the sum of its proper divisors (1).

164754949 is an equidigital number, since it uses as much as digits as its factorization.

164754949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 164754949 is about 12835.6904372145. The cubic root of 164754949 is about 548.2089939788.

The spelling of 164754949 in words is "one hundred sixty-four million, seven hundred fifty-four thousand, nine hundred forty-nine".