1633116113 has 4 divisors (see below), whose sum is σ = 1633271808. Its totient is φ = 1632960420.

The previous prime is 1633116109. The next prime is 1633116119. The reversal of 1633116113 is 3116113361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3116113361 = 137 ⋅22745353.

It is a cyclic number.

It is not a de Polignac number, because 1633116113 - 2² = 1633116109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1633116119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60881 + ... + 83502.

It is an arithmetic number, because the mean of its divisors is an integer number (408317952).

Almost surely, 2^1633116113 is an apocalyptic number.

It is an amenable number.

1633116113 is a deficient number, since it is larger than the sum of its proper divisors (155695).

1633116113 is a wasteful number, since it uses less digits than its factorization.

1633116113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155694.

The product of its digits is 972, while the sum is 26.

The square root of 1633116113 is about 40411.8313492472. The cubic root of 1633116113 is about 1177.6213966313.

Adding to 1633116113 its reverse (3116113361), we get a palindrome (4749229474).

The spelling of 1633116113 in words is "one billion, six hundred thirty-three million, one hundred sixteen thousand, one hundred thirteen".