3204061661216 has 24 divisors (see below), whose sum is σ = 6793226888364. Its totient is φ = 1478797689600.

The previous prime is 3204061661179. The next prime is 3204061661219. The reversal of 3204061661216 is 6121661604023.

It can be written as a sum of positive squares in 2 ways, for example, as 3145642771216 + 58418890000 = 1773596^2 + 241700^2 .

It is a super-2 number, since 2×3204061661216² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3204061661216.

It is not an unprimeable number, because it can be changed into a prime (3204061661219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851035235 + ... + 3851036066.

Almost surely, 2^{3204061661216} is an apocalyptic number.

It is an amenable number.

3204061661216 is an abundant number, since it is smaller than the sum of its proper divisors (3589165227148).

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

3204061661216 is a wasteful number, since it uses less digits than its factorization.

3204061661216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702071324 (or 7702071316 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 3204061661216 in words is "three trillion, two hundred four billion, sixty-one million, six hundred sixty-one thousand, two hundred sixteen".