8631660142 has 8 divisors (see below), whose sum is σ = 14797131696. Its totient is φ = 3699282912.

The previous prime is 8631660109. The next prime is 8631660143. The reversal of 8631660142 is 2410661368.

It is a happy number.

8631660142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8631660143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308273563 + ... + 308273590.

It is an arithmetic number, because the mean of its divisors is an integer number (1849641462).

Almost surely, 2^8631660142 is an apocalyptic number.

8631660142 is a deficient number, since it is larger than the sum of its proper divisors (6165471554).

8631660142 is a wasteful number, since it uses less digits than its factorization.

8631660142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616547162.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 8631660142 is about 92906.7281847768. The cubic root of 8631660142 is about 2051.3106939955.

The spelling of 8631660142 in words is "eight billion, six hundred thirty-one million, six hundred sixty thousand, one hundred forty-two".