164125469 has 2 divisors, whose sum is σ = 164125470. Its totient is φ = 164125468.

The previous prime is 164125427. The next prime is 164125487. The reversal of 164125469 is 964521461.

164125469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148522969 + 15602500 = 12187^2 + 3950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164125469 is a prime.

It is a super-4 number, since 4×164125469⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164125499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82062734 + 82062735.

It is an arithmetic number, because the mean of its divisors is an integer number (82062735).

Almost surely, 2^164125469 is an apocalyptic number.

It is an amenable number.

164125469 is a deficient number, since it is larger than the sum of its proper divisors (1).

164125469 is an equidigital number, since it uses as much as digits as its factorization.

164125469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 164125469 is about 12811.1462797050. The cubic root of 164125469 is about 547.5099213537.

The spelling of 164125469 in words is "one hundred sixty-four million, one hundred twenty-five thousand, four hundred sixty-nine".