75663161014243 has 8 divisors (see below), whose sum is σ = 83223792431856. Its totient is φ = 68784691829920.

The previous prime is 75663161014241. The next prime is 75663161014267. The reversal of 75663161014243 is 34241016136657.

It is a happy number.

It is not a de Polignac number, because 75663161014243 - 2¹ = 75663161014241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75663161014241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28423425046 + ... + 28423427707.

It is an arithmetic number, because the mean of its divisors is an integer number (10402974053982).

Almost surely, 2^{75663161014243} is an apocalyptic number.

75663161014243 is a deficient number, since it is larger than the sum of its proper divisors (7560631417613).

75663161014243 is an equidigital number, since it uses as much as digits as its factorization.

75663161014243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56846852786 (or 56846852764 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 75663161014243 in words is "seventy-five trillion, six hundred sixty-three billion, one hundred sixty-one million, fourteen thousand, two hundred forty-three".