75542244161744 has 20 divisors (see below), whose sum is σ = 146712413346240. Its totient is φ = 37680976201440.

The previous prime is 75542244161729. The next prime is 75542244161789. The reversal of 75542244161744 is 44716144224557.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 75542244161744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5634110552 + ... + 5634123959.

It is an arithmetic number, because the mean of its divisors is an integer number (7335620667312).

Almost surely, 2^{75542244161744} is an apocalyptic number.

It is an amenable number.

75542244161744 is a deficient number, since it is larger than the sum of its proper divisors (71170169184496).

75542244161744 is a wasteful number, since it uses less digits than its factorization.

75542244161744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268234938 (or 11268234932 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 56.

The spelling of 75542244161744 in words is "seventy-five trillion, five hundred forty-two billion, two hundred forty-four million, one hundred sixty-one thousand, seven hundred forty-four".