16672224729553 has 2 divisors, whose sum is σ = 16672224729554. Its totient is φ = 16672224729552.

The previous prime is 16672224729547. The next prime is 16672224729581. The reversal of 16672224729553 is 35592742227661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10081056804624 + 6591167924929 = 3175068^2 + 2567327^2 .

It is a cyclic number.

It is not a de Polignac number, because 16672224729553 - 2⁴¹ = 14473201474001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16672224729491 and 16672224729500.

It is not a weakly prime, because it can be changed into another prime (16672224739553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336112364776 + 8336112364777.

It is an arithmetic number, because the mean of its divisors is an integer number (8336112364777).

Almost surely, 2^{16672224729553} is an apocalyptic number.

It is an amenable number.

16672224729553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16672224729553 is an equidigital number, since it uses as much as digits as its factorization.

16672224729553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 61.

The spelling of 16672224729553 in words is "sixteen trillion, six hundred seventy-two billion, two hundred twenty-four million, seven hundred twenty-nine thousand, five hundred fifty-three".