2688701616 has 60 divisors (see below), whose sum is σ = 7572621472. Its totient is φ = 890517888.

The previous prime is 2688701611. The next prime is 2688701629. The reversal of 2688701616 is 6161078862.

It is a happy number.

2688701616 is a `hidden beast` number, since 26 + 8 + 8 + 7 + 0 + 1 + 616 = 666.

It is a super-2 number, since 2×2688701616² = 14458232759762022912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2688701611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36856 + ... + 82071.

Almost surely, 2^2688701616 is an apocalyptic number.

It is an amenable number.

2688701616 is an abundant number, since it is smaller than the sum of its proper divisors (4883919856).

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

2688701616 is a wasteful number, since it uses less digits than its factorization.

2688701616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119098 (or 119089 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2688701616 is about 51852.6915019847. The cubic root of 2688701616 is about 1390.5316214341.

The spelling of 2688701616 in words is "two billion, six hundred eighty-eight million, seven hundred one thousand, six hundred sixteen".