2011416645 has 32 divisors (see below), whose sum is σ = 3680328960. Its totient is φ = 918927360.

The previous prime is 2011416599. The next prime is 2011416697. The reversal of 2011416645 is 5466141102.

It is not a de Polignac number, because 2011416645 - 2¹¹ = 2011414597 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 31 ways as a sum of consecutive naturals, for example, 193275 + ... + 203415.

It is an arithmetic number, because the mean of its divisors is an integer number (115010280).

Almost surely, 2^2011416645 is an apocalyptic number.

It is an amenable number.

2011416645 is a deficient number, since it is larger than the sum of its proper divisors (1668912315).

2011416645 is a wasteful number, since it uses less digits than its factorization.

2011416645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2011416645 is about 44848.8198841396. The cubic root of 2011416645 is about 1262.3138479254.

Adding to 2011416645 its reverse (5466141102), we get a palindrome (7477557747).

The spelling of 2011416645 in words is "two billion, eleven million, four hundred sixteen thousand, six hundred forty-five".