5216178849 has 16 divisors (see below), whose sum is σ = 8083184640. Its totient is φ = 2930153040.

The previous prime is 5216178841. The next prime is 5216178883. The reversal of 5216178849 is 9488716125.

It is not a de Polignac number, because 5216178849 - 2³ = 5216178841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5216178841) 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, 2103757 + ... + 2106234.

It is an arithmetic number, because the mean of its divisors is an integer number (505199040).

Almost surely, 2^5216178849 is an apocalyptic number.

5216178849 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5216178849 is a deficient number, since it is larger than the sum of its proper divisors (2867005791).

5216178849 is a wasteful number, since it uses less digits than its factorization.

5216178849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210060.

The product of its digits is 967680, while the sum is 51.

The square root of 5216178849 is about 72223.1185217033. The cubic root of 5216178849 is about 1734.2731134992.

It can be divided in two parts, 521 and 6178849, that added together give a triangular number (6179370 = T₃₅₁₅).

The spelling of 5216178849 in words is "five billion, two hundred sixteen million, one hundred seventy-eight thousand, eight hundred forty-nine".