5168183987 has 4 divisors (see below), whose sum is σ = 5226253560. Its totient is φ = 5110114416.

The previous prime is 5168183983. The next prime is 5168184037. The reversal of 5168183987 is 7893818615.

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

It is a cyclic number.

It is not a de Polignac number, because 5168183987 - 2² = 5168183983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168183983) 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, 29034653 + ... + 29034830.

It is an arithmetic number, because the mean of its divisors is an integer number (1306563390).

Almost surely, 2^5168183987 is an apocalyptic number.

5168183987 is a deficient number, since it is larger than the sum of its proper divisors (58069573).

5168183987 is an equidigital number, since it uses as much as digits as its factorization.

5168183987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58069572.

The product of its digits is 2903040, while the sum is 56.

The square root of 5168183987 is about 71890.0826748725. The cubic root of 5168183987 is about 1728.9376112803.

The spelling of 5168183987 in words is "five billion, one hundred sixty-eight million, one hundred eighty-three thousand, nine hundred eighty-seven".