66584103 has 16 divisors (see below), whose sum is σ = 93914880. Its totient is φ = 41874624.

The previous prime is 66584099. The next prime is 66584107. The reversal of 66584103 is 30148566.

It is an interprime number because it is at equal distance from previous prime (66584099) and next prime (66584107).

It is not a de Polignac number, because 66584103 - 2² = 66584099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66584107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (5869680).

Almost surely, 2^66584103 is an apocalyptic number.

66584103 is a deficient number, since it is larger than the sum of its proper divisors (27330777).

66584103 is a wasteful number, since it uses less digits than its factorization.

66584103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66584103 is about 8159.9082715433. The cubic root of 66584103 is about 405.3126742564.

The spelling of 66584103 in words is "sixty-six million, five hundred eighty-four thousand, one hundred three".