75316561671 has 16 divisors (see below), whose sum is σ = 108257605344. Its totient is φ = 46301190144.

The previous prime is 75316561637. The next prime is 75316561699. The reversal of 75316561671 is 17616561357.

It is not a de Polignac number, because 75316561671 - 2¹¹ = 75316559623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75316561671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75316561601) by changing a digit.

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, 950226 + ... + 1026431.

It is an arithmetic number, because the mean of its divisors is an integer number (6766100334).

Almost surely, 2^75316561671 is an apocalyptic number.

75316561671 is a deficient number, since it is larger than the sum of its proper divisors (32941043673).

75316561671 is a wasteful number, since it uses less digits than its factorization.

75316561671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977650.

The product of its digits is 793800, while the sum is 48.

The spelling of 75316561671 in words is "seventy-five billion, three hundred sixteen million, five hundred sixty-one thousand, six hundred seventy-one".