66534341 has 2 divisors, whose sum is σ = 66534342. Its totient is φ = 66534340.

The previous prime is 66534301. The next prime is 66534361. The reversal of 66534341 is 14343566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 29931841 = 6050^2 + 5471^2 .

It is a cyclic number.

It is not a de Polignac number, because 66534341 - 2¹⁸ = 66272197 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 66534298 and 66534307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66534301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33267170 + 33267171.

It is an arithmetic number, because the mean of its divisors is an integer number (33267171).

Almost surely, 2^66534341 is an apocalyptic number.

It is an amenable number.

66534341 is a deficient number, since it is larger than the sum of its proper divisors (1).

66534341 is an equidigital number, since it uses as much as digits as its factorization.

66534341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 66534341 is about 8156.8585251922. The cubic root of 66534341 is about 405.2116781979.

The spelling of 66534341 in words is "sixty-six million, five hundred thirty-four thousand, three hundred forty-one".