16675481633 has 2 divisors, whose sum is σ = 16675481634. Its totient is φ = 16675481632.

The previous prime is 16675481623. The next prime is 16675481659. The reversal of 16675481633 is 33618457661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10231727104 + 6443754529 = 101152^2 + 80273^2 .

It is a cyclic number.

It is not a de Polignac number, because 16675481633 - 2⁶ = 16675481569 is a prime.

It is not a weakly prime, because it can be changed into another prime (16675481623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8337740816 + 8337740817.

It is an arithmetic number, because the mean of its divisors is an integer number (8337740817).

Almost surely, 2^16675481633 is an apocalyptic number.

It is an amenable number.

16675481633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16675481633 is an equidigital number, since it uses as much as digits as its factorization.

16675481633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 16675481633 in words is "sixteen billion, six hundred seventy-five million, four hundred eighty-one thousand, six hundred thirty-three".