75016661579013 has 32 divisors (see below), whose sum is σ = 124712769945600. Its totient is φ = 38966648045760.

The previous prime is 75016661578981. The next prime is 75016661579129. The reversal of 75016661579013 is 31097516661057.

It is not a de Polignac number, because 75016661579013 - 2⁵ = 75016661578981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75016671579013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9729870 + ... + 15643007.

It is an arithmetic number, because the mean of its divisors is an integer number (3897274060800).

Almost surely, 2^{75016661579013} is an apocalyptic number.

It is an amenable number.

75016661579013 is a deficient number, since it is larger than the sum of its proper divisors (49696108366587).

75016661579013 is a wasteful number, since it uses less digits than its factorization.

75016661579013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25385697.

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 75016661579013 in words is "seventy-five trillion, sixteen billion, six hundred sixty-one million, five hundred seventy-nine thousand, thirteen".