7091148816 has 120 divisors (see below), whose sum is σ = 20527130624. Its totient is φ = 2282826240.

The previous prime is 7091148811. The next prime is 7091148853. The reversal of 7091148816 is 6188411907.

It is a happy number.

7091148816 is a `hidden beast` number, since 70 + 91 + 1 + 488 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (7091148811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2708340 + ... + 2710956.

Almost surely, 2^7091148816 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 7091148816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10263565312).

7091148816 is an abundant number, since it is smaller than the sum of its proper divisors (13435981808).

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

7091148816 is a wasteful number, since it uses less digits than its factorization.

7091148816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 7091148816 is about 84208.9592383138. The cubic root of 7091148816 is about 1921.1983274545.

The spelling of 7091148816 in words is "seven billion, ninety-one million, one hundred forty-eight thousand, eight hundred sixteen".