2531363542166 has 32 divisors (see below), whose sum is σ = 4196254775040. Its totient is φ = 1139897129184.

The previous prime is 2531363542133. The next prime is 2531363542187. The reversal of 2531363542166 is 6612453631352.

It is a self number, because there is not a number n which added to its sum of digits gives 2531363542166.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8741885 + ... + 9026808.

It is an arithmetic number, because the mean of its divisors is an integer number (131132961720).

Almost surely, 2^{2531363542166} is an apocalyptic number.

2531363542166 is a deficient number, since it is larger than the sum of its proper divisors (1664891232874).

2531363542166 is a wasteful number, since it uses less digits than its factorization.

2531363542166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768900.

The product of its digits is 2332800, while the sum is 47.

The spelling of 2531363542166 in words is "two trillion, five hundred thirty-one billion, three hundred sixty-three million, five hundred forty-two thousand, one hundred sixty-six".