6660634143131 has 4 divisors (see below), whose sum is σ = 6660693408264. Its totient is φ = 6660574878000.

The previous prime is 6660634143109. The next prime is 6660634143161. The reversal of 6660634143131 is 1313414360666.

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 6660634143131 - 2¹⁴ = 6660634126747 is a prime.

It is a super-2 number, since 2×6660634143131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660634143161) 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, 29463665 + ... + 29688866.

It is an arithmetic number, because the mean of its divisors is an integer number (1665173352066).

Almost surely, 2^{6660634143131} is an apocalyptic number.

6660634143131 is a deficient number, since it is larger than the sum of its proper divisors (59265133).

6660634143131 is a wasteful number, since it uses less digits than its factorization.

6660634143131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59265132.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 6660634143131 in words is "six trillion, six hundred sixty billion, six hundred thirty-four million, one hundred forty-three thousand, one hundred thirty-one".