1612147025728 has 56 divisors (see below), whose sum is σ = 3466061070912. Its totient is φ = 741014206464.

The previous prime is 1612147025717. The next prime is 1612147025743. The reversal of 1612147025728 is 8275207412161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17182900 + ... + 17276467.

Almost surely, 2^{1612147025728} is an apocalyptic number.

It is an amenable number.

1612147025728 is an abundant number, since it is smaller than the sum of its proper divisors (1853914045184).

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

1612147025728 is a wasteful number, since it uses less digits than its factorization.

1612147025728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34459439 (or 34459429 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 1612147025728 in words is "one trillion, six hundred twelve billion, one hundred forty-seven million, twenty-five thousand, seven hundred twenty-eight".