131662063573 has 8 divisors (see below), whose sum is σ = 139411331928. Its totient is φ = 123913288704.

The previous prime is 131662063549. The next prime is 131662063579. The reversal of 131662063573 is 375360266131.

It can be written as a sum of positive squares in 4 ways, for example, as 120407612004 + 11254451569 = 346998^2 + 106087^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131662063573 - 2¹³ = 131662055381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131662063579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522615 + ... + 732427.

It is an arithmetic number, because the mean of its divisors is an integer number (17426416491).

Almost surely, 2^131662063573 is an apocalyptic number.

It is an amenable number.

131662063573 is a deficient number, since it is larger than the sum of its proper divisors (7749268355).

131662063573 is a wasteful number, since it uses less digits than its factorization.

131662063573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246743.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 131662063573 in words is "one hundred thirty-one billion, six hundred sixty-two million, sixty-three thousand, five hundred seventy-three".