16703234720651 has 2 divisors, whose sum is σ = 16703234720652. Its totient is φ = 16703234720650.

The previous prime is 16703234720639. The next prime is 16703234720659. The reversal of 16703234720651 is 15602743230761.

It is a happy number.

16703234720651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16703234720651 is a prime.

It is a super-2 number, since 2×16703234720651² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16703234720596 and 16703234720605.

It is not a weakly prime, because it can be changed into another prime (16703234720659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8351617360325 + 8351617360326.

It is an arithmetic number, because the mean of its divisors is an integer number (8351617360326).

Almost surely, 2^{16703234720651} is an apocalyptic number.

16703234720651 is a deficient number, since it is larger than the sum of its proper divisors (1).

16703234720651 is an equidigital number, since it uses as much as digits as its factorization.

16703234720651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 16703234720651 in words is "sixteen trillion, seven hundred three billion, two hundred thirty-four million, seven hundred twenty thousand, six hundred fifty-one".