104708143661 has 4 divisors (see below), whose sum is σ = 114227065824. Its totient is φ = 95189221500.

The previous prime is 104708143637. The next prime is 104708143667. The reversal of 104708143661 is 166341807401.

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 104708143661 - 2³⁰ = 103634401837 is a prime.

It is a super-2 number, since 2×104708143661² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104708143667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4759461065 + ... + 4759461086.

It is an arithmetic number, because the mean of its divisors is an integer number (28556766456).

Almost surely, 2^104708143661 is an apocalyptic number.

104708143661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104708143661 is a deficient number, since it is larger than the sum of its proper divisors (9518922163).

104708143661 is an equidigital number, since it uses as much as digits as its factorization.

104708143661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518922162.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 104708143661 in words is "one hundred four billion, seven hundred eight million, one hundred forty-three thousand, six hundred sixty-one".