5165163890 has 32 divisors (see below), whose sum is σ = 10161759744. Its totient is φ = 1881803520.

The previous prime is 5165163863. The next prime is 5165163893. The reversal of 5165163890 is 983615615.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5165163893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484784 + ... + 495323.

It is an arithmetic number, because the mean of its divisors is an integer number (317554992).

Almost surely, 2^5165163890 is an apocalyptic number.

5165163890 is a deficient number, since it is larger than the sum of its proper divisors (4996595854).

5165163890 is a wasteful number, since it uses less digits than its factorization.

5165163890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980162.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 5165163890 is about 71869.0746427140. The cubic root of 5165163890 is about 1728.6007697688.

The spelling of 5165163890 in words is "five billion, one hundred sixty-five million, one hundred sixty-three thousand, eight hundred ninety".