7098545664 has 360 divisors, whose sum is σ = 24298868880. Its totient is φ = 1954160640.

The previous prime is 7098545627. The next prime is 7098545677. The reversal of 7098545664 is 4665458907.

7098545664 is a `hidden beast` number, since 7 + 0 + 98 + 545 + 6 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7098545664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30997902 + ... + 30998130.

It is an arithmetic number, because the mean of its divisors is an integer number (67496858).

Almost surely, 2^7098545664 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 7098545664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12149434440).

7098545664 is an abundant number, since it is smaller than the sum of its proper divisors (17200323216).

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

7098545664 is a wasteful number, since it uses less digits than its factorization.

7098545664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 7098545664 is about 84252.8673933416. The cubic root of 7098545664 is about 1921.8661023613.

The spelling of 7098545664 in words is "seven billion, ninety-eight million, five hundred forty-five thousand, six hundred sixty-four".