1999986132416 has 14 divisors (see below), whose sum is σ = 3968722481640. Its totient is φ = 999993066176.

The previous prime is 1999986132409. The next prime is 1999986132427. The reversal of 1999986132416 is 6142316899991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15624891596 + ... + 15624891723.

It is an arithmetic number, because the mean of its divisors is an integer number (283480177260).

Almost surely, 2^{1999986132416} is an apocalyptic number.

1999986132416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1999986132416 is a deficient number, since it is larger than the sum of its proper divisors (1968736349224).

1999986132416 is an equidigital number, since it uses as much as digits as its factorization.

1999986132416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31249783331 (or 31249783321 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 68.

The spelling of 1999986132416 in words is "one trillion, nine hundred ninety-nine billion, nine hundred eighty-six million, one hundred thirty-two thousand, four hundred sixteen".