66363737700103 has 4 divisors (see below), whose sum is σ = 67982365448928. Its totient is φ = 64745109951280.

The previous prime is 66363737700059. The next prime is 66363737700119. The reversal of 66363737700103 is 30100773736366.

66363737700103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66363737700103 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 (66363737700163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809313874351 + ... + 809313874432.

It is an arithmetic number, because the mean of its divisors is an integer number (16995591362232).

Almost surely, 2^{66363737700103} is an apocalyptic number.

66363737700103 is a deficient number, since it is larger than the sum of its proper divisors (1618627748825).

66363737700103 is a wasteful number, since it uses less digits than its factorization.

66363737700103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618627748824.

The product of its (nonzero) digits is 6001128, while the sum is 52.

The spelling of 66363737700103 in words is "sixty-six trillion, three hundred sixty-three billion, seven hundred thirty-seven million, seven hundred thousand, one hundred three".