66050711 has 4 divisors (see below), whose sum is σ = 66073992. Its totient is φ = 66027432.

The previous prime is 66050683. The next prime is 66050723. The reversal of 66050711 is 11705066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66050711 - 2¹⁴ = 66034327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66050771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (16518498).

Almost surely, 2^66050711 is an apocalyptic number.

66050711 is a deficient number, since it is larger than the sum of its proper divisors (23281).

66050711 is a wasteful number, since it uses less digits than its factorization.

66050711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23280.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 66050711 is about 8127.1588516529. The cubic root of 66050711 is about 404.2274782530.

Adding to 66050711 its reverse (11705066), we get a palindrome (77755777).

The spelling of 66050711 in words is "sixty-six million, fifty thousand, seven hundred eleven".