5661650603 has 8 divisors (see below), whose sum is σ = 6471307008. Its totient is φ = 4852206504.

The previous prime is 5661650593. The next prime is 5661650653. The reversal of 5661650603 is 3060561665.

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-5661650603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5661650653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8900 + ... + 106782.

It is an arithmetic number, because the mean of its divisors is an integer number (808913376).

Almost surely, 2^5661650603 is an apocalyptic number.

5661650603 is a deficient number, since it is larger than the sum of its proper divisors (809656405).

5661650603 is an equidigital number, since it uses as much as digits as its factorization.

5661650603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106153.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 5661650603 is about 75243.9406397618. The cubic root of 5661650603 is about 1782.3008795826.

The spelling of 5661650603 in words is "five billion, six hundred sixty-one million, six hundred fifty thousand, six hundred three".