2131232663164 has 48 divisors (see below), whose sum is σ = 4189627040256. Its totient is φ = 948130473840.

The previous prime is 2131232663081. The next prime is 2131232663221. The reversal of 2131232663164 is 4613662321312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4008354 + ... + 4508809.

It is an arithmetic number, because the mean of its divisors is an integer number (87283896672).

Almost surely, 2^{2131232663164} is an apocalyptic number.

It is an amenable number.

2131232663164 is a deficient number, since it is larger than the sum of its proper divisors (2058394377092).

2131232663164 is a wasteful number, since it uses less digits than its factorization.

2131232663164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517247 (or 8517223 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

Adding to 2131232663164 its reverse (4613662321312), we get a palindrome (6744894984476).

The spelling of 2131232663164 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-two million, six hundred sixty-three thousand, one hundred sixty-four".