66601353 has 32 divisors (see below), whose sum is σ = 114057216. Its totient is φ = 33599808.

The previous prime is 66601351. The next prime is 66601357. The reversal of 66601353 is 35310666.

It is not a de Polignac number, because 66601353 - 2¹ = 66601351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66601353.

It is not an unprimeable number, because it can be changed into a prime (66601351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976 + ... + 11582.

It is an arithmetic number, because the mean of its divisors is an integer number (3564288).

Almost surely, 2^66601353 is an apocalyptic number.

It is an amenable number.

66601353 is a deficient number, since it is larger than the sum of its proper divisors (47455863).

66601353 is a wasteful number, since it uses less digits than its factorization.

66601353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10653.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 66601353 is about 8160.9652002689. The cubic root of 66601353 is about 405.3476728002.

The spelling of 66601353 in words is "sixty-six million, six hundred one thousand, three hundred fifty-three".