66231408027 has 8 divisors (see below), whose sum is σ = 88350031440. Its totient is φ = 44133528320.

The previous prime is 66231407951. The next prime is 66231408079. The reversal of 66231408027 is 72080413266.

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 66231408027 - 2¹⁹ = 66230883739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66231408127) 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, 5178474 + ... + 5191247.

It is an arithmetic number, because the mean of its divisors is an integer number (11043753930).

Almost surely, 2^66231408027 is an apocalyptic number.

66231408027 is a deficient number, since it is larger than the sum of its proper divisors (22118623413).

66231408027 is a wasteful number, since it uses less digits than its factorization.

66231408027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371853.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 66231408027 in words is "sixty-six billion, two hundred thirty-one million, four hundred eight thousand, twenty-seven".