5303491661 has 8 divisors (see below), whose sum is σ = 5713361304. Its totient is φ = 4893894720.

The previous prime is 5303491643. The next prime is 5303491691. The reversal of 5303491661 is 1661943035.

It can be written as a sum of positive squares in 4 ways, for example, as 956726761 + 4346764900 = 30931^2 + 65930^2 .

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

It is not a de Polignac number, because 5303491661 - 2¹⁴ = 5303475277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5303491631) 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 7 ways as a sum of consecutive naturals, for example, 26846 + ... + 106431.

It is an arithmetic number, because the mean of its divisors is an integer number (714170163).

Almost surely, 2^5303491661 is an apocalyptic number.

It is an amenable number.

5303491661 is a deficient number, since it is larger than the sum of its proper divisors (409869643).

5303491661 is a wasteful number, since it uses less digits than its factorization.

5303491661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136351.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 5303491661 is about 72825.0757706437. The cubic root of 5303491661 is about 1743.8961950611.

The spelling of 5303491661 in words is "five billion, three hundred three million, four hundred ninety-one thousand, six hundred sixty-one".