131006001668 has 24 divisors (see below), whose sum is σ = 239394839040. Its totient is φ = 62611440320.

The previous prime is 131006001667. The next prime is 131006001677. The reversal of 131006001668 is 866100600131.

It is not an unprimeable number, because it can be changed into a prime (131006001667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362393 + ... + 627168.

It is an arithmetic number, because the mean of its divisors is an integer number (9974784960).

Almost surely, 2^131006001668 is an apocalyptic number.

It is an amenable number.

131006001668 is a deficient number, since it is larger than the sum of its proper divisors (108388837372).

131006001668 is a wasteful number, since it uses less digits than its factorization.

131006001668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991027 (or 991025 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 131006001668 its reverse (866100600131), we get a palindrome (997106601799).

The spelling of 131006001668 in words is "one hundred thirty-one billion, six million, one thousand, six hundred sixty-eight".