2068636615 has 16 divisors (see below), whose sum is σ = 2547256320. Its totient is φ = 1611983520.

The previous prime is 2068636573. The next prime is 2068636627. The reversal of 2068636615 is 5166368602.

It is not a de Polignac number, because 2068636615 - 2¹¹ = 2068634567 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28726 + ... + 70444.

It is an arithmetic number, because the mean of its divisors is an integer number (159203520).

Almost surely, 2^2068636615 is an apocalyptic number.

2068636615 is a deficient number, since it is larger than the sum of its proper divisors (478619705).

2068636615 is a wasteful number, since it uses less digits than its factorization.

2068636615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41982.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2068636615 is about 45482.2670389241. The cubic root of 2068636615 is about 1274.1720350492.

The spelling of 2068636615 in words is "two billion, sixty-eight million, six hundred thirty-six thousand, six hundred fifteen".