7205165648 has 20 divisors (see below), whose sum is σ = 14014335540. Its totient is φ = 3588562944.

The previous prime is 7205165629. The next prime is 7205165651. The reversal of 7205165648 is 8465615027.

It can be written as a sum of positive squares in 2 ways, for example, as 3680606224 + 3524559424 = 60668^2 + 59368^2 .

It is a super-3 number, since 3×7205165648³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7205165599 and 7205165608.

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, 872003 + ... + 880226.

It is an arithmetic number, because the mean of its divisors is an integer number (700716777).

Almost surely, 2^7205165648 is an apocalyptic number.

It is an amenable number.

7205165648 is a deficient number, since it is larger than the sum of its proper divisors (6809169892).

7205165648 is a wasteful number, since it uses less digits than its factorization.

7205165648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752494 (or 1752488 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 7205165648 is about 84883.2471574927. The cubic root of 7205165648 is about 1931.4404531048.

The spelling of 7205165648 in words is "seven billion, two hundred five million, one hundred sixty-five thousand, six hundred forty-eight".