66346103 has 4 divisors (see below), whose sum is σ = 66410400. Its totient is φ = 66281808.

The previous prime is 66346079. The next prime is 66346127. The reversal of 66346103 is 30164366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30164366 = 2 ⋅15082183.

It is an interprime number because it is at equal distance from previous prime (66346079) and next prime (66346127).

It is a cyclic number.

It is not a de Polignac number, because 66346103 - 2⁶ = 66346039 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 (66346153) 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 3 ways as a sum of consecutive naturals, for example, 30575 + ... + 32672.

It is an arithmetic number, because the mean of its divisors is an integer number (16602600).

Almost surely, 2^66346103 is an apocalyptic number.

66346103 is a deficient number, since it is larger than the sum of its proper divisors (64297).

66346103 is a wasteful number, since it uses less digits than its factorization.

66346103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64296.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 66346103 is about 8145.3117190197. The cubic root of 66346103 is about 404.8291775663.

The spelling of 66346103 in words is "sixty-six million, three hundred forty-six thousand, one hundred three".