1687199383098 has 24 divisors (see below), whose sum is σ = 3655623586836. Its totient is φ = 562395960000.

The previous prime is 1687199383097. The next prime is 1687199383109. The reversal of 1687199383098 is 8903839917861.

1687199383098 is a `hidden beast` number, since 1 + 6 + 8 + 71 + 99 + 383 + 0 + 98 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1676965430529 + 10233952569 = 1294977^2 + 101163^2 .

It is not an unprimeable number, because it can be changed into a prime (1687199383097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3899598 + ... + 4310598.

Almost surely, 2^{1687199383098} is an apocalyptic number.

1687199383098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1687199383098 is an abundant number, since it is smaller than the sum of its proper divisors (1968424203738).

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

1687199383098 is a wasteful number, since it uses less digits than its factorization.

1687199383098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639070 (or 639067 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 72.

The spelling of 1687199383098 in words is "one trillion, six hundred eighty-seven billion, one hundred ninety-nine million, three hundred eighty-three thousand, ninety-eight".