7066642416 has 80 divisors (see below), whose sum is σ = 19349145504. Its totient is φ = 2214715392.

The previous prime is 7066642411. The next prime is 7066642423. The reversal of 7066642416 is 6142466607.

It is a happy number.

It is a super-2 number, since 2×7066642416² = 99874870071220634112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7066642411) 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 15 ways as a sum of consecutive naturals, for example, 907596 + ... + 915348.

Almost surely, 2^7066642416 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 7066642416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9674572752).

7066642416 is an abundant number, since it is smaller than the sum of its proper divisors (12282503088).

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

7066642416 is a wasteful number, since it uses less digits than its factorization.

7066642416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 7066642416 is about 84063.3238457771. The cubic root of 7066642416 is about 1918.9826076887.

The spelling of 7066642416 in words is "seven billion, sixty-six million, six hundred forty-two thousand, four hundred sixteen".