1606256603412 has 24 divisors (see below), whose sum is σ = 3748132500000. Its totient is φ = 535390235616.

The previous prime is 1606256603363. The next prime is 1606256603429. The reversal of 1606256603412 is 2143066526061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344662 + ... + 3794637.

It is an arithmetic number, because the mean of its divisors is an integer number (156172187500).

Almost surely, 2^{1606256603412} is an apocalyptic number.

1606256603412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1606256603412 is an abundant number, since it is smaller than the sum of its proper divisors (2141875896588).

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

1606256603412 is a wasteful number, since it uses less digits than its factorization.

1606256603412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158055 (or 7158053 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1606256603412 in words is "one trillion, six hundred six billion, two hundred fifty-six million, six hundred three thousand, four hundred twelve".