2047166445 has 8 divisors (see below), whose sum is σ = 3275466336. Its totient is φ = 1091822096.

The previous prime is 2047166431. The next prime is 2047166461. The reversal of 2047166445 is 5446617402.

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 2047166445 - 2⁵ = 2047166413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68238867 + ... + 68238896.

It is an arithmetic number, because the mean of its divisors is an integer number (409433292).

Almost surely, 2^2047166445 is an apocalyptic number.

It is an amenable number.

2047166445 is a deficient number, since it is larger than the sum of its proper divisors (1228299891).

2047166445 is a wasteful number, since it uses less digits than its factorization.

2047166445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136477771.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 2047166445 is about 45245.6234900128. The cubic root of 2047166445 is about 1269.7485283401.

The spelling of 2047166445 in words is "two billion, forty-seven million, one hundred sixty-six thousand, four hundred forty-five".