1986366306336 has 48 divisors (see below), whose sum is σ = 5227214676768. Its totient is φ = 660470912000.

The previous prime is 1986366306299. The next prime is 1986366306341. The reversal of 1986366306336 is 6336036636891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1986366306336² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1986366306336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25761150 + ... + 25838141.

It is an arithmetic number, because the mean of its divisors is an integer number (108900305766).

Almost surely, 2^{1986366306336} is an apocalyptic number.

1986366306336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1986366306336 is an abundant number, since it is smaller than the sum of its proper divisors (3240848370432).

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

1986366306336 is a wasteful number, since it uses less digits than its factorization.

1986366306336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51599705 (or 51599697 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 60.

The spelling of 1986366306336 in words is "one trillion, nine hundred eighty-six billion, three hundred sixty-six million, three hundred six thousand, three hundred thirty-six".