66737051 has 2 divisors, whose sum is σ = 66737052. Its totient is φ = 66737050.

The previous prime is 66737029. The next prime is 66737057. The reversal of 66737051 is 15073766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66737051 is a prime.

It is not a weakly prime, because it can be changed into another prime (66737057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33368525 + 33368526.

It is an arithmetic number, because the mean of its divisors is an integer number (33368526).

Almost surely, 2^66737051 is an apocalyptic number.

66737051 is a deficient number, since it is larger than the sum of its proper divisors (1).

66737051 is an equidigital number, since it uses as much as digits as its factorization.

66737051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 66737051 is about 8169.2748148168. The cubic root of 66737051 is about 405.6227800936.

The spelling of 66737051 in words is "sixty-six million, seven hundred thirty-seven thousand, fifty-one".