7098538656 has 96 divisors (see below), whose sum is σ = 20343960000. Its totient is φ = 2149345280.

The previous prime is 7098538549. The next prime is 7098538663. The reversal of 7098538656 is 6568358907.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 7098538596 and 7098538605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2056420 + ... + 2059868.

It is an arithmetic number, because the mean of its divisors is an integer number (211916250).

Almost surely, 2^7098538656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7098538656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10171980000).

7098538656 is an abundant number, since it is smaller than the sum of its proper divisors (13245421344).

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

7098538656 is a wasteful number, since it uses less digits than its factorization.

7098538656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The square root of 7098538656 is about 84252.8258042423. The cubic root of 7098538656 is about 1921.8654699106.

The spelling of 7098538656 in words is "seven billion, ninety-eight million, five hundred thirty-eight thousand, six hundred fifty-six".