74168886147 has 16 divisors (see below), whose sum is σ = 100978298400. Its totient is φ = 48412588032.

The previous prime is 74168886139. The next prime is 74168886161.

74168886147 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74168886147 - 2³ = 74168886139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74168886137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206022 + ... + 1266027.

It is an arithmetic number, because the mean of its divisors is an integer number (6311143650).

Almost surely, 2^74168886147 is an apocalyptic number.

74168886147 is a deficient number, since it is larger than the sum of its proper divisors (26809412253).

74168886147 is a wasteful number, since it uses less digits than its factorization.

74168886147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472262.

The product of its digits is 14450688, while the sum is 60.

The spelling of 74168886147 in words is "seventy-four billion, one hundred sixty-eight million, eight hundred eighty-six thousand, one hundred forty-seven".