16615677223103 has 4 divisors (see below), whose sum is σ = 18989345397840. Its totient is φ = 14242009048368.

The previous prime is 16615677223099. The next prime is 16615677223129. The reversal of 16615677223103 is 30132277651661.

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

It is a cyclic number.

It is not a de Polignac number, because 16615677223103 - 2² = 16615677223099 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 (16615677223163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186834087358 + ... + 1186834087371.

It is an arithmetic number, because the mean of its divisors is an integer number (4747336349460).

Almost surely, 2^{16615677223103} is an apocalyptic number.

16615677223103 is a deficient number, since it is larger than the sum of its proper divisors (2373668174737).

16615677223103 is an equidigital number, since it uses as much as digits as its factorization.

16615677223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373668174736.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 16615677223103 in words is "sixteen trillion, six hundred fifteen billion, six hundred seventy-seven million, two hundred twenty-three thousand, one hundred three".