105665606340532 has 24 divisors (see below), whose sum is σ = 214913097645120. Its totient is φ = 44517713082240.

The previous prime is 105665606340529. The next prime is 105665606340533. The reversal of 105665606340532 is 235043606566501.

It is a super-2 number, since 2×105665606340532² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105665606340532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105665606340533) 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, 31981114069 + ... + 31981117372.

It is an arithmetic number, because the mean of its divisors is an integer number (8954712401880).

Almost surely, 2^{105665606340532} is an apocalyptic number.

It is an amenable number.

105665606340532 is an abundant number, since it is smaller than the sum of its proper divisors (109247491304588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105665606340532 is a wasteful number, since it uses less digits than its factorization.

105665606340532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63962231511 (or 63962231509 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 105665606340532 in words is "one hundred five trillion, six hundred sixty-five billion, six hundred six million, three hundred forty thousand, five hundred thirty-two".