10166116615505 has 8 divisors (see below), whose sum is σ = 12228316995624. Its totient is φ = 8113575254400.

The previous prime is 10166116615489. The next prime is 10166116615549. The reversal of 10166116615505 is 50551661166101.

It can be written as a sum of positive squares in 4 ways, for example, as 31374328384 + 10134742287121 = 177128^2 + 3183511^2 .

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

It is not a de Polignac number, because 10166116615505 - 2⁴ = 10166116615489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2414752436 + ... + 2414756645.

It is an arithmetic number, because the mean of its divisors is an integer number (1528539624453).

Almost surely, 2^{10166116615505} is an apocalyptic number.

It is an amenable number.

10166116615505 is a deficient number, since it is larger than the sum of its proper divisors (2062200380119).

10166116615505 is an equidigital number, since it uses as much as digits as its factorization.

10166116615505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829509507.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 10166116615505 in words is "ten trillion, one hundred sixty-six billion, one hundred sixteen million, six hundred fifteen thousand, five hundred five".