2153216998 has 16 divisors (see below), whose sum is σ = 3431504880. Its totient is φ = 1011388896.

The previous prime is 2153216987. The next prime is 2153216999. The reversal of 2153216998 is 8996123512.

It is a super-2 number, since 2×2153216998² = 9272686880952264008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153216999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499536 + ... + 503827.

It is an arithmetic number, because the mean of its divisors is an integer number (214469055).

Almost surely, 2^2153216998 is an apocalyptic number.

2153216998 is a deficient number, since it is larger than the sum of its proper divisors (1278287882).

2153216998 is a wasteful number, since it uses less digits than its factorization.

2153216998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003431.

The product of its digits is 233280, while the sum is 46.

The square root of 2153216998 is about 46402.7692923601. The cubic root of 2153216998 is about 1291.3062900921.

The spelling of 2153216998 in words is "two billion, one hundred fifty-three million, two hundred sixteen thousand, nine hundred ninety-eight".