2111642616 has 16 divisors (see below), whose sum is σ = 5279106600. Its totient is φ = 703880864.

The previous prime is 2111642597. The next prime is 2111642633. The reversal of 2111642616 is 6162461112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43992531 + ... + 43992578.

Almost surely, 2^2111642616 is an apocalyptic number.

It is an amenable number.

2111642616 is an abundant number, since it is smaller than the sum of its proper divisors (3167463984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111642616 is a wasteful number, since it uses less digits than its factorization.

2111642616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87985118 (or 87985114 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 2111642616 is about 45952.6127222381. The cubic root of 2111642616 is about 1282.9413591376.

The spelling of 2111642616 in words is "two billion, one hundred eleven million, six hundred forty-two thousand, six hundred sixteen".