104163660154505 has 24 divisors (see below), whose sum is σ = 145425706481160. Its totient is φ = 71415830492160.

The previous prime is 104163660154457. The next prime is 104163660154583. The reversal of 104163660154505 is 505451066361401.

It can be written as a sum of positive squares in 4 ways, for example, as 12973020868864 + 91190639285641 = 3601808^2 + 9549379^2 .

It is not a de Polignac number, because 104163660154505 - 2⁴⁶ = 33794915976841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104163660154505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30141566 + ... + 33419175.

It is an arithmetic number, because the mean of its divisors is an integer number (6059404436715).

Almost surely, 2^{104163660154505} is an apocalyptic number.

It is an amenable number.

104163660154505 is a deficient number, since it is larger than the sum of its proper divisors (41262046326655).

104163660154505 is an equidigital number, since it uses as much as digits as its factorization.

104163660154505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63567449 (or 63567442 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 104163660154505 in words is "one hundred four trillion, one hundred sixty-three billion, six hundred sixty million, one hundred fifty-four thousand, five hundred five".