104244655661 has 4 divisors (see below), whose sum is σ = 105800546112. Its totient is φ = 102688765212.

The previous prime is 104244655649. The next prime is 104244655667. The reversal of 104244655661 is 166556442401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104244655661 - 2⁶ = 104244655597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104244655667) by changing a digit.

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, 777945125 + ... + 777945258.

It is an arithmetic number, because the mean of its divisors is an integer number (26450136528).

Almost surely, 2^104244655661 is an apocalyptic number.

It is an amenable number.

104244655661 is a deficient number, since it is larger than the sum of its proper divisors (1555890451).

104244655661 is an equidigital number, since it uses as much as digits as its factorization.

104244655661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555890450.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 104244655661 in words is "one hundred four billion, two hundred forty-four million, six hundred fifty-five thousand, six hundred sixty-one".