7098881656 has 16 divisors (see below), whose sum is σ = 13311468000. Its totient is φ = 3549156864.

The previous prime is 7098881627. The next prime is 7098881687. The reversal of 7098881656 is 6561888907.

It is a self number, because there is not a number n which added to its sum of digits gives 7098881656.

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, 102145 + ... + 156943.

It is an arithmetic number, because the mean of its divisors is an integer number (831966750).

Almost surely, 2^7098881656 is an apocalyptic number.

It is an amenable number.

7098881656 is a deficient number, since it is larger than the sum of its proper divisors (6212586344).

7098881656 is a wasteful number, since it uses less digits than its factorization.

7098881656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70998 (or 70994 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The square root of 7098881656 is about 84254.8613196888. The cubic root of 7098881656 is about 1921.8964241333.

The spelling of 7098881656 in words is "seven billion, ninety-eight million, eight hundred eighty-one thousand, six hundred fifty-six".