75401169663 has 4 divisors (see below), whose sum is σ = 100534892888. Its totient is φ = 50267446440.

The previous prime is 75401169643. The next prime is 75401169671. The reversal of 75401169663 is 36696110457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36696110457 = 3 ⋅12232036819.

It is not a de Polignac number, because 75401169663 - 2⁵ = 75401169631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75401169643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12566861608 + ... + 12566861613.

It is an arithmetic number, because the mean of its divisors is an integer number (25133723222).

Almost surely, 2^75401169663 is an apocalyptic number.

75401169663 is a deficient number, since it is larger than the sum of its proper divisors (25133723225).

75401169663 is a wasteful number, since it uses less digits than its factorization.

75401169663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25133723224.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 75401169663 in words is "seventy-five billion, four hundred one million, one hundred sixty-nine thousand, six hundred sixty-three".