61201617067 has 2 divisors, whose sum is σ = 61201617068. Its totient is φ = 61201617066.

The previous prime is 61201617049. The next prime is 61201617109. The reversal of 61201617067 is 76071610216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61201617067 - 2¹¹ = 61201615019 is a prime.

It is not a weakly prime, because it can be changed into another prime (61201617007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30600808533 + 30600808534.

It is an arithmetic number, because the mean of its divisors is an integer number (30600808534).

Almost surely, 2^61201617067 is an apocalyptic number.

61201617067 is a deficient number, since it is larger than the sum of its proper divisors (1).

61201617067 is an equidigital number, since it uses as much as digits as its factorization.

61201617067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 61201617067 in words is "sixty-one billion, two hundred one million, six hundred seventeen thousand, sixty-seven".