5306816691 has 48 divisors (see below), whose sum is σ = 8683140960. Its totient is φ = 3093672960.

The previous prime is 5306816689. The next prime is 5306816719. The reversal of 5306816691 is 1966186035.

It is not a de Polignac number, because 5306816691 - 2¹ = 5306816689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5306816651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791931 + ... + 798603.

It is an arithmetic number, because the mean of its divisors is an integer number (180898770).

Almost surely, 2^5306816691 is an apocalyptic number.

5306816691 is a deficient number, since it is larger than the sum of its proper divisors (3376324269).

5306816691 is a wasteful number, since it uses less digits than its factorization.

5306816691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5306816691 is about 72847.9010747736. The cubic root of 5306816691 is about 1744.2605648112.

The spelling of 5306816691 in words is "five billion, three hundred six million, eight hundred sixteen thousand, six hundred ninety-one".