64132169 has 2 divisors, whose sum is σ = 64132170. Its totient is φ = 64132168.

The previous prime is 64132151. The next prime is 64132183. The reversal of 64132169 is 96123146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51265600 + 12866569 = 7160^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 64132169 - 2¹² = 64128073 is a prime.

It is a super-2 number, since 2×64132169² = 8225870201289122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64132069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32066084 + 32066085.

It is an arithmetic number, because the mean of its divisors is an integer number (32066085).

Almost surely, 2^64132169 is an apocalyptic number.

It is an amenable number.

64132169 is a deficient number, since it is larger than the sum of its proper divisors (1).

64132169 is an equidigital number, since it uses as much as digits as its factorization.

64132169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 64132169 is about 8008.2563020922. The cubic root of 64132169 is about 400.2751627536.

The spelling of 64132169 in words is "sixty-four million, one hundred thirty-two thousand, one hundred sixty-nine".