66759133 has 8 divisors (see below), whose sum is σ = 79613568. Its totient is φ = 54734064.

The previous prime is 66759113. The next prime is 66759139. The reversal of 66759133 is 33195766.

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

It is not a de Polignac number, because 66759133 - 2⁵ = 66759101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66759139) 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, 207166 + ... + 207487.

It is an arithmetic number, because the mean of its divisors is an integer number (9951696).

Almost surely, 2^66759133 is an apocalyptic number.

It is an amenable number.

66759133 is a deficient number, since it is larger than the sum of its proper divisors (12854435).

66759133 is a wasteful number, since it uses less digits than its factorization.

66759133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414683.

The product of its digits is 102060, while the sum is 40.

The square root of 66759133 is about 8170.6262305897. The cubic root of 66759133 is about 405.6675127390.

The spelling of 66759133 in words is "sixty-six million, seven hundred fifty-nine thousand, one hundred thirty-three".