6661234927 has 4 divisors (see below), whose sum is σ = 6661711696. Its totient is φ = 6660758160.

The previous prime is 6661234919. The next prime is 6661234973. The reversal of 6661234927 is 7294321666.

6661234927 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6661234927 - 2³ = 6661234919 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 (6661235927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216774 + ... + 245587.

It is an arithmetic number, because the mean of its divisors is an integer number (1665427924).

Almost surely, 2^6661234927 is an apocalyptic number.

6661234927 is a deficient number, since it is larger than the sum of its proper divisors (476769).

6661234927 is a wasteful number, since it uses less digits than its factorization.

6661234927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476768.

The product of its digits is 653184, while the sum is 46.

The square root of 6661234927 is about 81616.3888382719. The cubic root of 6661234927 is about 1881.5607726059.

The spelling of 6661234927 in words is "six billion, six hundred sixty-one million, two hundred thirty-four thousand, nine hundred twenty-seven".