120066661079 has 2 divisors, whose sum is σ = 120066661080. Its totient is φ = 120066661078.

The previous prime is 120066661019. The next prime is 120066661081. The reversal of 120066661079 is 970166660021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120066661079 - 2¹⁶ = 120066595543 is a prime.

Together with 120066661081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120066661009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60033330539 + 60033330540.

It is an arithmetic number, because the mean of its divisors is an integer number (60033330540).

Almost surely, 2^120066661079 is an apocalyptic number.

120066661079 is a deficient number, since it is larger than the sum of its proper divisors (1).

120066661079 is an equidigital number, since it uses as much as digits as its factorization.

120066661079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 120066661079 in words is "one hundred twenty billion, sixty-six million, six hundred sixty-one thousand, seventy-nine".