66696103 has 8 divisors (see below), whose sum is σ = 67472496. Its totient is φ = 65923200.

The previous prime is 66696079. The next prime is 66696107. The reversal of 66696103 is 30169666.

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 66696103 - 2¹³ = 66687911 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 (66696107) 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, 60588 + ... + 61678.

It is an arithmetic number, because the mean of its divisors is an integer number (8434062).

Almost surely, 2^66696103 is an apocalyptic number.

66696103 is a deficient number, since it is larger than the sum of its proper divisors (776393).

66696103 is a wasteful number, since it uses less digits than its factorization.

66696103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 66696103 is about 8166.7682102531. The cubic root of 66696103 is about 405.5398034985.

It can be divided in two parts, 666 and 96103, that added together give a palindrome (96769).

The spelling of 66696103 in words is "sixty-six million, six hundred ninety-six thousand, one hundred three".