160642633 has 8 divisors (see below), whose sum is σ = 164745000. Its totient is φ = 156549120.

The previous prime is 160642627. The next prime is 160642637. The reversal of 160642633 is 336246061.

It can be written as a sum of positive squares in 4 ways, for example, as 29127609 + 131515024 = 5397^2 + 11468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160642633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160642595 and 160642604.

It is not an unprimeable number, because it can be changed into a prime (160642637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49641 + ... + 52777.

It is an arithmetic number, because the mean of its divisors is an integer number (20593125).

Almost surely, 2^160642633 is an apocalyptic number.

It is an amenable number.

160642633 is a deficient number, since it is larger than the sum of its proper divisors (4102367).

160642633 is a wasteful number, since it uses less digits than its factorization.

160642633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 160642633 is about 12674.4874847072. The cubic root of 160642633 is about 543.6093750408.

Adding to 160642633 its reverse (336246061), we get a palindrome (496888694).

The spelling of 160642633 in words is "one hundred sixty million, six hundred forty-two thousand, six hundred thirty-three".