1386680002218 has 36 divisors (see below), whose sum is σ = 3494999599650. Its totient is φ = 396194286096.

The previous prime is 1386680002177. The next prime is 1386680002303. The reversal of 1386680002218 is 8122000866831.

It can be written as a sum of positive squares in only one way, i.e., 1384112249289 + 2567752929 = 1176483^2 + 50673^2 .

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 17 ways as a sum of consecutive naturals, for example, 786098893 + ... + 786100656.

Almost surely, 2^{1386680002218} is an apocalyptic number.

1386680002218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1386680002218 is an abundant number, since it is smaller than the sum of its proper divisors (2108319597432).

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

1386680002218 is a wasteful number, since it uses less digits than its factorization.

1386680002218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572199571 (or 1572199561 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 1386680002218 in words is "one trillion, three hundred eighty-six billion, six hundred eighty million, two thousand, two hundred eighteen".