7066656145 has 8 divisors (see below), whose sum is σ = 8512232256. Its totient is φ = 5631828336.

The previous prime is 7066656139. The next prime is 7066656173. The reversal of 7066656145 is 5416566607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7066656145 - 2⁹ = 7066655633 is a prime.

It is a super-2 number, since 2×7066656145² = 99875258143332522050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7066656095 and 7066656104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685627 + ... + 2688256.

It is an arithmetic number, because the mean of its divisors is an integer number (1064029032).

Almost surely, 2^7066656145 is an apocalyptic number.

It is an amenable number.

7066656145 is a deficient number, since it is larger than the sum of its proper divisors (1445576111).

7066656145 is a wasteful number, since it uses less digits than its factorization.

7066656145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374151.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 7066656145 is about 84063.4055044167. The cubic root of 7066656145 is about 1918.9838504145.

The spelling of 7066656145 in words is "seven billion, sixty-six million, six hundred fifty-six thousand, one hundred forty-five".