66536063 has 8 divisors (see below), whose sum is σ = 75088080. Its totient is φ = 58401280.

The previous prime is 66536059. The next prime is 66536077. The reversal of 66536063 is 36063566.

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 66536063 - 2² = 66536059 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 (66536863) 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, 103970 + ... + 104607.

It is an arithmetic number, because the mean of its divisors is an integer number (9386010).

Almost surely, 2^66536063 is an apocalyptic number.

66536063 is a deficient number, since it is larger than the sum of its proper divisors (8552017).

66536063 is a wasteful number, since it uses less digits than its factorization.

66536063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208617.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 66536063 is about 8156.9640798523. The cubic root of 66536063 is about 405.2151739790.

The spelling of 66536063 in words is "sixty-six million, five hundred thirty-six thousand, sixty-three".