651110161099 has 2 divisors, whose sum is σ = 651110161100. Its totient is φ = 651110161098.

The previous prime is 651110160997. The next prime is 651110161139. The reversal of 651110161099 is 990161011156.

651110161099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (651110161139) can be obtained adding 651110161099 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 651110161099 - 2¹³ = 651110152907 is a prime.

It is not a weakly prime, because it can be changed into another prime (651110164099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325555080549 + 325555080550.

It is an arithmetic number, because the mean of its divisors is an integer number (325555080550).

Almost surely, 2^651110161099 is an apocalyptic number.

651110161099 is a deficient number, since it is larger than the sum of its proper divisors (1).

651110161099 is an equidigital number, since it uses as much as digits as its factorization.

651110161099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 40.

The spelling of 651110161099 in words is "six hundred fifty-one billion, one hundred ten million, one hundred sixty-one thousand, ninety-nine".