3802166446645 has 48 divisors (see below), whose sum is σ = 5388007940928. Its totient is φ = 2567677432320.

The previous prime is 3802166446571. The next prime is 3802166446649. The reversal of 3802166446645 is 5466446612083.

It is not a de Polignac number, because 3802166446645 - 2¹⁷ = 3802166315573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802166446649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75533085 + ... + 75583405.

It is an arithmetic number, because the mean of its divisors is an integer number (112250165436).

Almost surely, 2^{3802166446645} is an apocalyptic number.

3802166446645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3802166446645 is a deficient number, since it is larger than the sum of its proper divisors (1585841494283).

3802166446645 is a wasteful number, since it uses less digits than its factorization.

3802166446645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010 (or 55003 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 55.

The spelling of 3802166446645 in words is "three trillion, eight hundred two billion, one hundred sixty-six million, four hundred forty-six thousand, six hundred forty-five".