3619998198216 has 48 divisors (see below), whose sum is σ = 9804320217900. Its totient is φ = 1206646566912.

The previous prime is 3619998198203. The next prime is 3619998198239. The reversal of 3619998198216 is 6128918999163.

3619998198216 is a `hidden beast` number, since 36 + 199 + 9 + 8 + 198 + 216 = 666.

3619998198216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3108838976100 + 511159222116 = 1763190^2 + 714954^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4486720 + ... + 5231696.

Almost surely, 2^{3619998198216} is an apocalyptic number.

3619998198216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3619998198216 is an abundant number, since it is smaller than the sum of its proper divisors (6184322019684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3619998198216 is a wasteful number, since it uses less digits than its factorization.

3619998198216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812478 (or 812471 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 72.

The spelling of 3619998198216 in words is "three trillion, six hundred nineteen billion, nine hundred ninety-eight million, one hundred ninety-eight thousand, two hundred sixteen".