74080478161 has 2 divisors, whose sum is σ = 74080478162. Its totient is φ = 74080478160.

The previous prime is 74080478149. The next prime is 74080478231. The reversal of 74080478161 is 16187408047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47276239761 + 26804238400 = 217431^2 + 163720^2 .

It is a cyclic number.

It is not a de Polignac number, because 74080478161 - 2¹⁹ = 74079953873 is a prime.

It is not a weakly prime, because it can be changed into another prime (74080478141) 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 as a sum of consecutive naturals, namely, 37040239080 + 37040239081.

It is an arithmetic number, because the mean of its divisors is an integer number (37040239081).

Almost surely, 2^74080478161 is an apocalyptic number.

It is an amenable number.

74080478161 is a deficient number, since it is larger than the sum of its proper divisors (1).

74080478161 is an equidigital number, since it uses as much as digits as its factorization.

74080478161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 74080478161 in words is "seventy-four billion, eighty million, four hundred seventy-eight thousand, one hundred sixty-one".