66114487 has 2 divisors, whose sum is σ = 66114488. Its totient is φ = 66114486.

The previous prime is 66114473. The next prime is 66114491. The reversal of 66114487 is 78441166.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66114487 - 2⁷ = 66114359 is a prime.

It is a super-2 number, since 2×66114487² = 8742250782546338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66114437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33057243 + 33057244.

It is an arithmetic number, because the mean of its divisors is an integer number (33057244).

Almost surely, 2^66114487 is an apocalyptic number.

66114487 is a deficient number, since it is larger than the sum of its proper divisors (1).

66114487 is an equidigital number, since it uses as much as digits as its factorization.

66114487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 66114487 is about 8131.0815393772. The cubic root of 66114487 is about 404.3575385169.

The spelling of 66114487 in words is "sixty-six million, one hundred fourteen thousand, four hundred eighty-seven".