1988682663255 has 16 divisors (see below), whose sum is σ = 3186497042304. Its totient is φ = 1059095826720.

The previous prime is 1988682663239. The next prime is 1988682663299. The reversal of 1988682663255 is 5523662868891.

It is not a de Polignac number, because 1988682663255 - 2⁴ = 1988682663239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1988682663255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95922229 + ... + 95942958.

It is an arithmetic number, because the mean of its divisors is an integer number (199156065144).

Almost surely, 2^{1988682663255} is an apocalyptic number.

1988682663255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1988682663255 is a deficient number, since it is larger than the sum of its proper divisors (1197814379049).

1988682663255 is a wasteful number, since it uses less digits than its factorization.

1988682663255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191865886.

The product of its digits is 298598400, while the sum is 69.

The spelling of 1988682663255 in words is "one trillion, nine hundred eighty-eight billion, six hundred eighty-two million, six hundred sixty-three thousand, two hundred fifty-five".