74159337161 has 64 divisors (see below), whose sum is σ = 98009533440. Its totient is φ = 54505820160.

The previous prime is 74159337157. The next prime is 74159337199. The reversal of 74159337161 is 16173395147.

It is a cyclic number.

It is not a de Polignac number, because 74159337161 - 2² = 74159337157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74159337151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19992575 + ... + 19996283.

It is an arithmetic number, because the mean of its divisors is an integer number (1531398960).

Almost surely, 2^74159337161 is an apocalyptic number.

It is an amenable number.

74159337161 is a deficient number, since it is larger than the sum of its proper divisors (23850196279).

74159337161 is a wasteful number, since it uses less digits than its factorization.

74159337161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026.

The product of its digits is 476280, while the sum is 47.

The spelling of 74159337161 in words is "seventy-four billion, one hundred fifty-nine million, three hundred thirty-seven thousand, one hundred sixty-one".