1783100138066 has 8 divisors (see below), whose sum is σ = 2880392530764. Its totient is φ = 822969294480.

The previous prime is 1783100138041. The next prime is 1783100138093. The reversal of 1783100138066 is 6608310013871.

It can be written as a sum of positive squares in 2 ways, for example, as 1734712897225 + 48387240841 = 1317085^2 + 219971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1783100138066³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 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 3 ways as a sum of consecutive naturals, for example, 34290387245 + ... + 34290387296.

Almost surely, 2^{1783100138066} is an apocalyptic number.

1783100138066 is a deficient number, since it is larger than the sum of its proper divisors (1097292392698).

1783100138066 is a wasteful number, since it uses less digits than its factorization.

1783100138066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68580774556.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 1783100138066 in words is "one trillion, seven hundred eighty-three billion, one hundred million, one hundred thirty-eight thousand, sixty-six".