16454106637 has 2 divisors, whose sum is σ = 16454106638. Its totient is φ = 16454106636.

The previous prime is 16454106607. The next prime is 16454106653. The reversal of 16454106637 is 73660145461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12846182281 + 3607924356 = 113341^2 + 60066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16454106637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16454106593 and 16454106602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16454106607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8227053318 + 8227053319.

It is an arithmetic number, because the mean of its divisors is an integer number (8227053319).

Almost surely, 2^16454106637 is an apocalyptic number.

It is an amenable number.

16454106637 is a deficient number, since it is larger than the sum of its proper divisors (1).

16454106637 is an equidigital number, since it uses as much as digits as its factorization.

16454106637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 16454106637 in words is "sixteen billion, four hundred fifty-four million, one hundred six thousand, six hundred thirty-seven".