7165601620 has 24 divisors (see below), whose sum is σ = 15166255104. Its totient is φ = 2843670816.

The previous prime is 7165601617. The next prime is 7165601627. The reversal of 7165601620 is 261065617.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7165601627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408012 + ... + 1413091.

It is an arithmetic number, because the mean of its divisors is an integer number (631927296).

Almost surely, 2^7165601620 is an apocalyptic number.

It is an amenable number.

7165601620 is an abundant number, since it is smaller than the sum of its proper divisors (8000653484).

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

7165601620 is a wasteful number, since it uses less digits than its factorization.

7165601620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821239 (or 2821237 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 7165601620 is about 84649.8766685457. The cubic root of 7165601620 is about 1927.8987413318.

The spelling of 7165601620 in words is "seven billion, one hundred sixty-five million, six hundred one thousand, six hundred twenty".