7488066161 has 2 divisors, whose sum is σ = 7488066162. Its totient is φ = 7488066160.

The previous prime is 7488066149. The next prime is 7488066167. The reversal of 7488066161 is 1616608847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7006527025 + 481539136 = 83705^2 + 21944^2 .

It is a cyclic number.

It is not a de Polignac number, because 7488066161 - 2⁶ = 7488066097 is a prime.

It is a super-2 number, since 2×7488066161² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7488066167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744033080 + 3744033081.

It is an arithmetic number, because the mean of its divisors is an integer number (3744033081).

Almost surely, 2^7488066161 is an apocalyptic number.

It is an amenable number.

7488066161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7488066161 is an equidigital number, since it uses as much as digits as its factorization.

7488066161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 7488066161 is about 86533.6128969547. The cubic root of 7488066161 is about 1956.3950605467.

The spelling of 7488066161 in words is "seven billion, four hundred eighty-eight million, sixty-six thousand, one hundred sixty-one".