1366786225104 has 160 divisors (see below), whose sum is σ = 3906572820480. Its totient is φ = 409577895936.

The previous prime is 1366786225069. The next prime is 1366786225117. The reversal of 1366786225104 is 4015226876631.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13443549 + ... + 13544835.

It is an arithmetic number, because the mean of its divisors is an integer number (24416080128).

Almost surely, 2^{1366786225104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366786225104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953286410240).

1366786225104 is an abundant number, since it is smaller than the sum of its proper divisors (2539786595376).

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

1366786225104 is a wasteful number, since it uses less digits than its factorization.

1366786225104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102057 (or 102051 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1366786225104 in words is "one trillion, three hundred sixty-six billion, seven hundred eighty-six million, two hundred twenty-five thousand, one hundred four".