5615660233 has 4 divisors (see below), whose sum is σ = 5631751300. Its totient is φ = 5599569168.

The previous prime is 5615660221. The next prime is 5615660321. The reversal of 5615660233 is 3320665165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3197676304 + 2417983929 = 56548^2 + 49173^2 .

It is a cyclic number.

It is not a de Polignac number, because 5615660233 - 2²⁵ = 5582105801 is a prime.

It is a super-2 number, since 2×5615660233² = 63071279704995228578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5615660192 and 5615660201.

It is not an unprimeable number, because it can be changed into a prime (5615660033) 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, 8045010 + ... + 8045707.

It is an arithmetic number, because the mean of its divisors is an integer number (1407937825).

Almost surely, 2^5615660233 is an apocalyptic number.

It is an amenable number.

5615660233 is a deficient number, since it is larger than the sum of its proper divisors (16091067).

5615660233 is a wasteful number, since it uses less digits than its factorization.

5615660233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091066.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 5615660233 is about 74937.7090188911. The cubic root of 5615660233 is about 1777.4617942246.

The spelling of 5615660233 in words is "five billion, six hundred fifteen million, six hundred sixty thousand, two hundred thirty-three".