6988870652616 has 80 divisors (see below), whose sum is σ = 19637850497100. Its totient is φ = 2322180596736.

The previous prime is 6988870652597. The next prime is 6988870652639. The reversal of 6988870652616 is 6162560788896.

It is a happy number.

6988870652616 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 87 + 0 + 6 + 526 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6972293060100 + 16577592516 = 2640510^2 + 128754^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17026081 + ... + 17431728.

Almost surely, 2^{6988870652616} is an apocalyptic number.

It is an amenable number.

6988870652616 is an abundant number, since it is smaller than the sum of its proper divisors (12648979844484).

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

6988870652616 is a wasteful number, since it uses less digits than its factorization.

6988870652616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34458140 (or 34458127 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 6988870652616 in words is "six trillion, nine hundred eighty-eight billion, eight hundred seventy million, six hundred fifty-two thousand, six hundred sixteen".