7916320080 has 80 divisors (see below), whose sum is σ = 27267332160. Its totient is φ = 2111018112.

The previous prime is 7916320073. The next prime is 7916320109. The reversal of 7916320080 is 800236197.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7916320080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830322 + ... + 1834641.

It is an arithmetic number, because the mean of its divisors is an integer number (340841652).

Almost surely, 2^7916320080 is an apocalyptic number.

It is an amenable number.

7916320080 is an abundant number, since it is smaller than the sum of its proper divisors (19351012080).

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

7916320080 is a wasteful number, since it uses less digits than its factorization.

7916320080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664985 (or 3664973 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 7916320080 is about 88973.7044300168. The cubic root of 7916320080 is about 1993.0022174089.

The spelling of 7916320080 in words is "seven billion, nine hundred sixteen million, three hundred twenty thousand, eighty".