16613683123 has 2 divisors, whose sum is σ = 16613683124. Its totient is φ = 16613683122.

The previous prime is 16613683117. The next prime is 16613683147. The reversal of 16613683123 is 32138631661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16613683123 is a prime.

It is a super-2 number, since 2×16613683123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16613683193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8306841561 + 8306841562.

It is an arithmetic number, because the mean of its divisors is an integer number (8306841562).

Almost surely, 2^16613683123 is an apocalyptic number.

16613683123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16613683123 is an equidigital number, since it uses as much as digits as its factorization.

16613683123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The spelling of 16613683123 in words is "sixteen billion, six hundred thirteen million, six hundred eighty-three thousand, one hundred twenty-three".