2039166845 has 8 divisors (see below), whose sum is σ = 2448162360. Its totient is φ = 1630558720.

The previous prime is 2039166827. The next prime is 2039166869. The reversal of 2039166845 is 5486619302.

It can be written as a sum of positive squares in 4 ways, for example, as 3171961 + 2035994884 = 1781^2 + 45122^2 .

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

It is not a de Polignac number, because 2039166845 - 2⁶ = 2039166781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2039166796 and 2039166805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85136 + ... + 106425.

It is an arithmetic number, because the mean of its divisors is an integer number (306020295).

Almost surely, 2^2039166845 is an apocalyptic number.

It is an amenable number.

2039166845 is a deficient number, since it is larger than the sum of its proper divisors (408995515).

2039166845 is a wasteful number, since it uses less digits than its factorization.

2039166845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193695.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2039166845 is about 45157.1350397697. The cubic root of 2039166845 is about 1268.0924604681.

The spelling of 2039166845 in words is "two billion, thirty-nine million, one hundred sixty-six thousand, eight hundred forty-five".