16772575553 has 2 divisors, whose sum is σ = 16772575554. Its totient is φ = 16772575552.

The previous prime is 16772575549. The next prime is 16772575559. The reversal of 16772575553 is 35557527761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13673092624 + 3099482929 = 116932^2 + 55673^2 .

It is a cyclic number.

It is not a de Polignac number, because 16772575553 - 2² = 16772575549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16772575495 and 16772575504.

It is not a weakly prime, because it can be changed into another prime (16772575559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386287776 + 8386287777.

It is an arithmetic number, because the mean of its divisors is an integer number (8386287777).

Almost surely, 2^16772575553 is an apocalyptic number.

It is an amenable number.

16772575553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16772575553 is an equidigital number, since it uses as much as digits as its factorization.

16772575553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7717500, while the sum is 53.

The spelling of 16772575553 in words is "sixteen billion, seven hundred seventy-two million, five hundred seventy-five thousand, five hundred fifty-three".