66054343 has 2 divisors, whose sum is σ = 66054344. Its totient is φ = 66054342.

The previous prime is 66054319. The next prime is 66054371. The reversal of 66054343 is 34345066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66054343 - 2⁵ = 66054311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66054143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33027171 + 33027172.

It is an arithmetic number, because the mean of its divisors is an integer number (33027172).

Almost surely, 2^66054343 is an apocalyptic number.

66054343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66054343 is an equidigital number, since it uses as much as digits as its factorization.

66054343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 66054343 is about 8127.3822969022. The cubic root of 66054343 is about 404.2348873446.

The spelling of 66054343 in words is "sixty-six million, fifty-four thousand, three hundred forty-three".