66152071711 has 8 divisors (see below), whose sum is σ = 72287599824. Its totient is φ = 60036827520.

The previous prime is 66152071637. The next prime is 66152071721. The reversal of 66152071711 is 11717025166.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66152071711 - 2⁹ = 66152071199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152071721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064156 + ... + 5077201.

It is an arithmetic number, because the mean of its divisors is an integer number (9035949978).

Almost surely, 2^66152071711 is an apocalyptic number.

66152071711 is a deficient number, since it is larger than the sum of its proper divisors (6135528113).

66152071711 is a wasteful number, since it uses less digits than its factorization.

66152071711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141961.

The product of its (nonzero) digits is 17640, while the sum is 37.

Adding to 66152071711 its reverse (11717025166), we get a palindrome (77869096877).

The spelling of 66152071711 in words is "sixty-six billion, one hundred fifty-two million, seventy-one thousand, seven hundred eleven".