104516124615661 has 8 divisors (see below), whose sum is σ = 120724507577664. Its totient is φ = 89425561168320.

The previous prime is 104516124615619. The next prime is 104516124615719. The reversal of 104516124615661 is 166516421615401.

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

It is a cyclic number.

It is not a de Polignac number, because 104516124615661 - 2¹¹ = 104516124613613 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 (104516124615611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279454878465 + ... + 279454878838.

It is an arithmetic number, because the mean of its divisors is an integer number (15090563447208).

Almost surely, 2^{104516124615661} is an apocalyptic number.

104516124615661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104516124615661 is a deficient number, since it is larger than the sum of its proper divisors (16208382962003).

104516124615661 is a wasteful number, since it uses less digits than its factorization.

104516124615661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558909757331.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 104516124615661 in words is "one hundred four trillion, five hundred sixteen billion, one hundred twenty-four million, six hundred fifteen thousand, six hundred sixty-one".