184807640721157 has 2 divisors, whose sum is σ = 184807640721158. Its totient is φ = 184807640721156.

The previous prime is 184807640721131. The next prime is 184807640721181. The reversal of 184807640721157 is 751127046708481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102034928322756 + 82772712398401 = 10101234^2 + 9097951^2 .

It is a cyclic number.

It is not a de Polignac number, because 184807640721157 - 2²³ = 184807632332549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 184807640721095 and 184807640721104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184807640721107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92403820360578 + 92403820360579.

It is an arithmetic number, because the mean of its divisors is an integer number (92403820360579).

Almost surely, 2^{184807640721157} is an apocalyptic number.

It is an amenable number.

184807640721157 is a deficient number, since it is larger than the sum of its proper divisors (1).

184807640721157 is an equidigital number, since it uses as much as digits as its factorization.

184807640721157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21073920, while the sum is 61.

The spelling of 184807640721157 in words is "one hundred eighty-four trillion, eight hundred seven billion, six hundred forty million, seven hundred twenty-one thousand, one hundred fifty-seven".