75105616651 has 16 divisors (see below), whose sum is σ = 82251943200. Its totient is φ = 68158937088.

The previous prime is 75105616613. The next prime is 75105616661. The reversal of 75105616651 is 15661650157.

It is a cyclic number.

It is not a de Polignac number, because 75105616651 - 2⁹ = 75105616139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75105616598 and 75105616607.

It is not an unprimeable number, because it can be changed into a prime (75105616661) 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, 358635 + ... + 528043.

It is an arithmetic number, because the mean of its divisors is an integer number (5140746450).

Almost surely, 2^75105616651 is an apocalyptic number.

75105616651 is a deficient number, since it is larger than the sum of its proper divisors (7146326549).

75105616651 is a wasteful number, since it uses less digits than its factorization.

75105616651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169998.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 75105616651 in words is "seventy-five billion, one hundred five million, six hundred sixteen thousand, six hundred fifty-one".