1601313633 has 12 divisors (see below), whose sum is σ = 2313355408. Its totient is φ = 1067382360.

The previous prime is 1601313629. The next prime is 1601313653. The reversal of 1601313633 is 3363131061.

1601313633 is a `hidden beast` number, since 1 + 6 + 0 + 13 + 13 + 633 = 666.

It is not a de Polignac number, because 1601313633 - 2² = 1601313629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1601313597 and 1601313606.

It is not an unprimeable number, because it can be changed into a prime (1601313653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112698 + ... + 126108.

Almost surely, 2^1601313633 is an apocalyptic number.

It is an amenable number.

1601313633 is a deficient number, since it is larger than the sum of its proper divisors (712041775).

1601313633 is a wasteful number, since it uses less digits than its factorization.

1601313633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26684 (or 26681 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 1601313633 is about 40016.4170435085. The cubic root of 1601313633 is about 1169.9270982409.

Adding to 1601313633 its reverse (3363131061), we get a palindrome (4964444694).

It can be divided in two parts, 16013 and 13633, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 1601313633 in words is "one billion, six hundred one million, three hundred thirteen thousand, six hundred thirty-three".