104166410250640 has 80 divisors (see below), whose sum is σ = 242897484356208. Its totient is φ = 41544337522688.

The previous prime is 104166410250631. The next prime is 104166410250647. The reversal of 104166410250640 is 46052014661401.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11785324216576 + 92381086034064 = 3432976^2 + 9611508^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 104166410250593 and 104166410250602.

It is not an unprimeable number, because it can be changed into a prime (104166410250647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 287669382 + ... + 288031258.

Almost surely, 2^{104166410250640} is an apocalyptic number.

104166410250640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104166410250640 is an abundant number, since it is smaller than the sum of its proper divisors (138731074105568).

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

104166410250640 is a wasteful number, since it uses less digits than its factorization.

104166410250640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372436 (or 372430 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 104166410250640 in words is "one hundred four trillion, one hundred sixty-six billion, four hundred ten million, two hundred fifty thousand, six hundred forty".