16103421053 has 2 divisors, whose sum is σ = 16103421054. Its totient is φ = 16103421052.

The previous prime is 16103421017. The next prime is 16103421073. The reversal of 16103421053 is 35012430161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14737231609 + 1366189444 = 121397^2 + 36962^2 .

It is a cyclic number.

It is not a de Polignac number, because 16103421053 - 2²² = 16099226749 is a prime.

It is a super-2 number, since 2×16103421053² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16103421073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8051710526 + 8051710527.

It is an arithmetic number, because the mean of its divisors is an integer number (8051710527).

Almost surely, 2^16103421053 is an apocalyptic number.

It is an amenable number.

16103421053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16103421053 is an equidigital number, since it uses as much as digits as its factorization.

16103421053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 16103421053 in words is "sixteen billion, one hundred three million, four hundred twenty-one thousand, fifty-three".