66353245 has 16 divisors (see below), whose sum is σ = 91203840. Its totient is φ = 45396864.

The previous prime is 66353239. The next prime is 66353251. The reversal of 66353245 is 54235366.

It is an interprime number because it is at equal distance from previous prime (66353239) and next prime (66353251).

It is a cyclic number.

It is not a de Polignac number, because 66353245 - 2⁵ = 66353213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66353245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15721 + ... + 19489.

It is an arithmetic number, because the mean of its divisors is an integer number (5700240).

Almost surely, 2^66353245 is an apocalyptic number.

It is an amenable number.

66353245 is a deficient number, since it is larger than the sum of its proper divisors (24850595).

66353245 is a wasteful number, since it uses less digits than its factorization.

66353245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284.

The product of its digits is 64800, while the sum is 34.

The square root of 66353245 is about 8145.7501189270. The cubic root of 66353245 is about 404.8437033440.

The spelling of 66353245 in words is "sixty-six million, three hundred fifty-three thousand, two hundred forty-five".