7618196171664 has 225 divisors, whose sum is σ = 23113986698309. Its totient is φ = 2342338053120.

The previous prime is 7618196171657. The next prime is 7618196171669. The reversal of 7618196171664 is 4661716918167.

The square root of 7618196171664 is 2760108.

It is a perfect power (a square), and thus also a powerful number.

7618196171664 is a `hidden beast` number, since 7 + 6 + 1 + 8 + 1 + 9 + 617 + 1 + 6 + 6 + 4 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 6691058277264 + 927137894400 = 2586708^2 + 962880^2 .

It is not an unprimeable number, because it can be changed into a prime (7618196171669) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5597498344 + ... + 5597499704.

Almost surely, 2^{7618196171664} is an apocalyptic number.

7618196171664 is the 2760108-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7618196171664

7618196171664 is an abundant number, since it is smaller than the sum of its proper divisors (15495790526645).

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

7618196171664 is an frugal number, since it uses more digits than its factorization.

7618196171664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788 (or 1379 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The spelling of 7618196171664 in words is "seven trillion, six hundred eighteen billion, one hundred ninety-six million, one hundred seventy-one thousand, six hundred sixty-four".