66929103 has 24 divisors (see below), whose sum is σ = 101298912. Its totient is φ = 42501888.

The previous prime is 66929099. The next prime is 66929117. The reversal of 66929103 is 30192966.

It is not a de Polignac number, because 66929103 - 2² = 66929099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66929123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64275 + ... + 65307.

It is an arithmetic number, because the mean of its divisors is an integer number (4220788).

Almost surely, 2^66929103 is an apocalyptic number.

66929103 is a deficient number, since it is larger than the sum of its proper divisors (34369809).

66929103 is a wasteful number, since it uses less digits than its factorization.

66929103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 66929103 is about 8181.0209020635. The cubic root of 66929103 is about 406.0114999938.

The spelling of 66929103 in words is "sixty-six million, nine hundred twenty-nine thousand, one hundred three".