5168216090 has 16 divisors (see below), whose sum is σ = 9303775560. Its totient is φ = 2067067200.

The previous prime is 5168216069. The next prime is 5168216107. The reversal of 5168216090 is 906128615.

It can be written as a sum of positive squares in 4 ways, for example, as 4921443409 + 246772681 = 70153^2 + 15709^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99656 + ... + 142364.

Almost surely, 2^5168216090 is an apocalyptic number.

5168216090 is a deficient number, since it is larger than the sum of its proper divisors (4135559470).

5168216090 is a wasteful number, since it uses less digits than its factorization.

5168216090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54817.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 5168216090 is about 71890.3059528891. The cubic root of 5168216090 is about 1728.9411911303.

The spelling of 5168216090 in words is "five billion, one hundred sixty-eight million, two hundred sixteen thousand, ninety".