1798099216 has 15 divisors (see below), whose sum is σ = 3484145893. Its totient is φ = 898964800.

The previous prime is 1798099183. The next prime is 1798099243. The reversal of 1798099216 is 6129908971.

The square root of 1798099216 is 42404.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1536953616 + 261145600 = 39204^2 + 16160^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 164316 + ... + 174916.

Almost surely, 2^1798099216 is an apocalyptic number.

1798099216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1798099216 is the 42404-th square number.

It is an amenable number.

1798099216 is a deficient number, since it is larger than the sum of its proper divisors (1686046677).

1798099216 is an frugal number, since it uses more digits than its factorization.

1798099216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210 (or 10603 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 52.

The cubic root of 1798099216 is about 1216.0120648907.

The spelling of 1798099216 in words is "one billion, seven hundred ninety-eight million, ninety-nine thousand, two hundred sixteen".