6605967412 has 18 divisors (see below), whose sum is σ = 12706934114. Its totient is φ = 3002712240.

The previous prime is 6605967377. The next prime is 6605967419. The reversal of 6605967412 is 2147695066.

It can be written as a sum of positive squares in only one way, i.e., 4526060176 + 2079907236 = 67276^2 + 45606^2 .

It is a super-3 number, since 3×6605967412³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605967419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6823863 + ... + 6824830.

Almost surely, 2^6605967412 is an apocalyptic number.

It is an amenable number.

6605967412 is a deficient number, since it is larger than the sum of its proper divisors (6100966702).

6605967412 is a wasteful number, since it uses less digits than its factorization.

6605967412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13648719 (or 13648706 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 6605967412 is about 81277.1026304457. The cubic root of 6605967412 is about 1876.3426152170.

The spelling of 6605967412 in words is "six billion, six hundred five million, nine hundred sixty-seven thousand, four hundred twelve".