8067566651 has 8 divisors (see below), whose sum is σ = 8234145600. Its totient is φ = 7902095040.

The previous prime is 8067566623. The next prime is 8067566659. The reversal of 8067566651 is 1566657608.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8067566651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8067566651.

It is not an unprimeable number, because it can be changed into a prime (8067566659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262106 + ... + 291263.

It is an arithmetic number, because the mean of its divisors is an integer number (1029268200).

Almost surely, 2^8067566651 is an apocalyptic number.

8067566651 is a deficient number, since it is larger than the sum of its proper divisors (166578949).

8067566651 is a wasteful number, since it uses less digits than its factorization.

8067566651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553669.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 8067566651 is about 89819.6339950236. The cubic root of 8067566651 is about 2005.6147766408.

The spelling of 8067566651 in words is "eight billion, sixty-seven million, five hundred sixty-six thousand, six hundred fifty-one".