66011732127 has 24 divisors (see below), whose sum is σ = 106555529808. Its totient is φ = 39031324800.

The previous prime is 66011732117. The next prime is 66011732159. The reversal of 66011732127 is 72123711066.

It is a happy number.

66011732127 is a `hidden beast` number, since 6 + 601 + 1 + 7 + 3 + 21 + 27 = 666.

It is not a de Polignac number, because 66011732127 - 2¹¹ = 66011730079 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66011732091 and 66011732100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66011732117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8127468 + ... + 8135585.

It is an arithmetic number, because the mean of its divisors is an integer number (4439813742).

Almost surely, 2^66011732127 is an apocalyptic number.

66011732127 is a deficient number, since it is larger than the sum of its proper divisors (40543797681).

66011732127 is a wasteful number, since it uses less digits than its factorization.

66011732127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16263111 (or 16263108 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 66011732127 in words is "sixty-six billion, eleven million, seven hundred thirty-two thousand, one hundred twenty-seven".