66201373 has 8 divisors (see below), whose sum is σ = 75741120. Its totient is φ = 56682240.

The previous prime is 66201361. The next prime is 66201407. The reversal of 66201373 is 37310266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66201373 - 2⁹ = 66200861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66201313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (9467640).

Almost surely, 2^66201373 is an apocalyptic number.

It is an amenable number.

66201373 is a deficient number, since it is larger than the sum of its proper divisors (9539747).

66201373 is a wasteful number, since it uses less digits than its factorization.

66201373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 66201373 is about 8136.4226168507. The cubic root of 66201373 is about 404.5345931566.

The spelling of 66201373 in words is "sixty-six million, two hundred one thousand, three hundred seventy-three".