6302620066 has 4 divisors (see below), whose sum is σ = 9453930102. Its totient is φ = 3151310032.

The previous prime is 6302620063. The next prime is 6302620073. The reversal of 6302620066 is 6600262036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4619241225 + 1683378841 = 67965^2 + 41029^2 .

It is not an unprimeable number, because it can be changed into a prime (6302620063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575655015 + ... + 1575655018.

Almost surely, 2^6302620066 is an apocalyptic number.

6302620066 is a deficient number, since it is larger than the sum of its proper divisors (3151310036).

6302620066 is a wasteful number, since it uses less digits than its factorization.

6302620066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151310035.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 6302620066 is about 79389.0424806850. The cubic root of 6302620066 is about 1847.1707487479.

The spelling of 6302620066 in words is "six billion, three hundred two million, six hundred twenty thousand, sixty-six".