75120561606 has 32 divisors (see below), whose sum is σ = 152534793600. Its totient is φ = 24660152000.

The previous prime is 75120561589. The next prime is 75120561641. The reversal of 75120561606 is 60616502157.

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 15 ways as a sum of consecutive naturals, for example, 146196 + ... + 414263.

It is an arithmetic number, because the mean of its divisors is an integer number (4766712300).

Almost surely, 2^75120561606 is an apocalyptic number.

75120561606 is an abundant number, since it is smaller than the sum of its proper divisors (77414231994).

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

75120561606 is a wasteful number, since it uses less digits than its factorization.

75120561606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560804.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 75120561606 in words is "seventy-five billion, one hundred twenty million, five hundred sixty-one thousand, six hundred six".