7166641265 has 24 divisors (see below), whose sum is σ = 10153383552. Its totient is φ = 4840909920.

The previous prime is 7166641253. The next prime is 7166641267. The reversal of 7166641265 is 5621466617.

It is not a de Polignac number, because 7166641265 - 2⁶ = 7166641201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7166641267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201881 + ... + 234710.

It is an arithmetic number, because the mean of its divisors is an integer number (423057648).

Almost surely, 2^7166641265 is an apocalyptic number.

It is an amenable number.

7166641265 is a deficient number, since it is larger than the sum of its proper divisors (2986742287).

7166641265 is a wasteful number, since it uses less digits than its factorization.

7166641265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436677 (or 436670 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 7166641265 is about 84656.0172994218. The cubic root of 7166641265 is about 1927.9919753437.

The spelling of 7166641265 in words is "seven billion, one hundred sixty-six million, six hundred forty-one thousand, two hundred sixty-five".