75009151668 has 96 divisors (see below), whose sum is σ = 197308564992. Its totient is φ = 21981456000.

The previous prime is 75009151639. The next prime is 75009151681. The reversal of 75009151668 is 86615190057.

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 31 ways as a sum of consecutive naturals, for example, 507855 + ... + 638697.

It is an arithmetic number, because the mean of its divisors is an integer number (2055297552).

Almost surely, 2^75009151668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75009151668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98654282496).

75009151668 is an abundant number, since it is smaller than the sum of its proper divisors (122299413324).

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

75009151668 is a wasteful number, since it uses less digits than its factorization.

75009151668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131005 (or 131003 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 75009151668 in words is "seventy-five billion, nine million, one hundred fifty-one thousand, six hundred sixty-eight".