10166056156049 has 4 divisors (see below), whose sum is σ = 10764059459364. Its totient is φ = 9568052852736.

The previous prime is 10166056156033. The next prime is 10166056156099. The reversal of 10166056156049 is 94065165066101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8191862552449 + 1974193603600 = 2862143^2 + 1405060^2 .

It is a cyclic number.

It is not a de Polignac number, because 10166056156049 - 2⁴ = 10166056156033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10166056155988 and 10166056156006.

It is not an unprimeable number, because it can be changed into a prime (10166056156099) 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, 299001651632 + ... + 299001651665.

It is an arithmetic number, because the mean of its divisors is an integer number (2691014864841).

Almost surely, 2^{10166056156049} is an apocalyptic number.

It is an amenable number.

10166056156049 is a deficient number, since it is larger than the sum of its proper divisors (598003303315).

10166056156049 is an equidigital number, since it uses as much as digits as its factorization.

10166056156049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598003303314.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 10166056156049 in words is "ten trillion, one hundred sixty-six billion, fifty-six million, one hundred fifty-six thousand, forty-nine".