66498103 has 16 divisors (see below), whose sum is σ = 78257664. Its totient is φ = 55329120.

The previous prime is 66498079. The next prime is 66498121. The reversal of 66498103 is 30189466.

It is not a de Polignac number, because 66498103 - 2⁵ = 66498071 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 (66498143) 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, 32301 + ... + 34297.

It is an arithmetic number, because the mean of its divisors is an integer number (4891104).

Almost surely, 2^66498103 is an apocalyptic number.

66498103 is a deficient number, since it is larger than the sum of its proper divisors (11759561).

66498103 is a wasteful number, since it uses less digits than its factorization.

66498103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 66498103 is about 8154.6369017878. The cubic root of 66498103 is about 405.1380985132.

The spelling of 66498103 in words is "sixty-six million, four hundred ninety-eight thousand, one hundred three".