1606211625412 has 12 divisors (see below), whose sum is σ = 2811817105020. Its totient is φ = 802835309696.

The previous prime is 1606211625367. The next prime is 1606211625427. The reversal of 1606211625412 is 2145261126061.

It can be written as a sum of positive squares in 2 ways, for example, as 4630258116 + 1601581367296 = 68046^2 + 1265536^2 .

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, 67612393 + ... + 67636144.

It is an arithmetic number, because the mean of its divisors is an integer number (234318092085).

Almost surely, 2^{1606211625412} is an apocalyptic number.

It is an amenable number.

1606211625412 is a deficient number, since it is larger than the sum of its proper divisors (1205605479608).

1606211625412 is a wasteful number, since it uses less digits than its factorization.

1606211625412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135251510 (or 135251508 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 1606211625412 in words is "one trillion, six hundred six billion, two hundred eleven million, six hundred twenty-five thousand, four hundred twelve".