21614485198 has 16 divisors (see below), whose sum is σ = 34922704896. Its totient is φ = 10003898520.

The previous prime is 21614485171. The next prime is 21614485231. The reversal of 21614485198 is 89158441612.

It is a super-2 number, since 2×21614485198² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 7577286 + ... + 7580137.

It is an arithmetic number, because the mean of its divisors is an integer number (2182669056).

Almost surely, 2^21614485198 is an apocalyptic number.

21614485198 is a deficient number, since it is larger than the sum of its proper divisors (13308219698).

21614485198 is a wasteful number, since it uses less digits than its factorization.

21614485198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15157479.

The product of its digits is 552960, while the sum is 49.

The spelling of 21614485198 in words is "twenty-one billion, six hundred fourteen million, four hundred eighty-five thousand, one hundred ninety-eight".