1616033366672 has 20 divisors (see below), whose sum is σ = 3131086850220. Its totient is φ = 808010953728.

The previous prime is 1616033366657. The next prime is 1616033366681. The reversal of 1616033366672 is 2766633306161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 993897339136 + 622136027536 = 996944^2 + 788756^2 .

It is a super-2 number, since 2×1616033366672² (a number of 25 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 1616033366672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2827604 + ... + 3350732.

It is an arithmetic number, because the mean of its divisors is an integer number (156554342511).

Almost surely, 2^{1616033366672} is an apocalyptic number.

It is an amenable number.

1616033366672 is a deficient number, since it is larger than the sum of its proper divisors (1515053483548).

1616033366672 is a wasteful number, since it uses less digits than its factorization.

1616033366672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716210 (or 716204 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 1616033366672 in words is "one trillion, six hundred sixteen billion, thirty-three million, three hundred sixty-six thousand, six hundred seventy-two".