66042207037 has 2 divisors, whose sum is σ = 66042207038. Its totient is φ = 66042207036.

The previous prime is 66042207001. The next prime is 66042207041. The reversal of 66042207037 is 73070224066.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58980493881 + 7061713156 = 242859^2 + 84034^2 .

It is a cyclic number.

It is not a de Polignac number, because 66042207037 - 2¹¹ = 66042204989 is a prime.

It is a super-2 number, since 2×66042207037² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66042206987 and 66042207005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66042207047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33021103518 + 33021103519.

It is an arithmetic number, because the mean of its divisors is an integer number (33021103519).

Almost surely, 2^66042207037 is an apocalyptic number.

It is an amenable number.

66042207037 is a deficient number, since it is larger than the sum of its proper divisors (1).

66042207037 is an equidigital number, since it uses as much as digits as its factorization.

66042207037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 66042207037 in words is "sixty-six billion, forty-two million, two hundred seven thousand, thirty-seven".