1000166414765 has 24 divisors (see below), whose sum is σ = 1411837785720. Its totient is φ = 678122446848.

The previous prime is 1000166414749. The next prime is 1000166414773. The reversal of 1000166414765 is 5674146610001.

It can be written as a sum of positive squares in 4 ways, for example, as 68821750921 + 931344663844 = 262339^2 + 965062^2 .

It is not a de Polignac number, because 1000166414765 - 2⁴ = 1000166414749 is a prime.

It is a congruent number.

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, 22912532 + ... + 22956141.

It is an arithmetic number, because the mean of its divisors is an integer number (58826574405).

Almost surely, 2^{1000166414765} is an apocalyptic number.

It is an amenable number.

1000166414765 is a deficient number, since it is larger than the sum of its proper divisors (411671370955).

1000166414765 is an equidigital number, since it uses as much as digits as its factorization.

1000166414765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45868781 (or 45868774 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1000166414765 in words is "one trillion, one hundred sixty-six million, four hundred fourteen thousand, seven hundred sixty-five".