66346153 has 2 divisors, whose sum is σ = 66346154. Its totient is φ = 66346152.

The previous prime is 66346151. The next prime is 66346183. The reversal of 66346153 is 35164366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35964009 + 30382144 = 5997^2 + 5512^2 .

It is a cyclic number.

It is not a de Polignac number, because 66346153 - 2¹ = 66346151 is a prime.

Together with 66346151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66346151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33173076 + 33173077.

It is an arithmetic number, because the mean of its divisors is an integer number (33173077).

Almost surely, 2^66346153 is an apocalyptic number.

It is an amenable number.

66346153 is a deficient number, since it is larger than the sum of its proper divisors (1).

66346153 is an equidigital number, since it uses as much as digits as its factorization.

66346153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 66346153 is about 8145.3147882694. The cubic root of 66346153 is about 404.8292792625.

The spelling of 66346153 in words is "sixty-six million, three hundred forty-six thousand, one hundred fifty-three".