2104166245 has 8 divisors (see below), whose sum is σ = 2673528984. Its totient is φ = 1584313344.

The previous prime is 2104166243. The next prime is 2104166249. The reversal of 2104166245 is 5426614012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1042579521 + 1061586724 = 32289^2 + 32582^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2104166245 - 2¹ = 2104166243 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 (2104166243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12377364 + ... + 12377533.

It is an arithmetic number, because the mean of its divisors is an integer number (334191123).

Almost surely, 2^2104166245 is an apocalyptic number.

It is an amenable number.

2104166245 is a deficient number, since it is larger than the sum of its proper divisors (569362739).

2104166245 is a wasteful number, since it uses less digits than its factorization.

2104166245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24754919.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2104166245 is about 45871.1918855397. The cubic root of 2104166245 is about 1281.4254637507.

The spelling of 2104166245 in words is "two billion, one hundred four million, one hundred sixty-six thousand, two hundred forty-five".