2007308161 has 2 divisors, whose sum is σ = 2007308162. Its totient is φ = 2007308160.

The previous prime is 2007308159. The next prime is 2007308189. The reversal of 2007308161 is 1618037002.

2007308161 = 31680² + 31681².

It is an a-pointer prime, because the next prime (2007308189) can be obtained adding 2007308161 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1003685761 + 1003622400 = 31681^2 + 31680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007308161 - 2¹ = 2007308159 is a prime.

Together with 2007308159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2007308131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003654080 + 1003654081.

It is an arithmetic number, because the mean of its divisors is an integer number (1003654081).

Almost surely, 2^2007308161 is an apocalyptic number.

2007308161 is the 31681-st centered square number.

It is an amenable number.

2007308161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007308161 is an equidigital number, since it uses as much as digits as its factorization.

2007308161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2007308161 is about 44802.9927683408. The cubic root of 2007308161 is about 1261.4538021214.

The spelling of 2007308161 in words is "two billion, seven million, three hundred eight thousand, one hundred sixty-one".