1597044897856 has 28 divisors (see below), whose sum is σ = 3335932601680. Its totient is φ = 756494951040.

The previous prime is 1597044897841. The next prime is 1597044897859. The reversal of 1597044897856 is 6587984407951.

It is not an unprimeable number, because it can be changed into a prime (1597044897859) 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, 656678430 + ... + 656680861.

It is an arithmetic number, because the mean of its divisors is an integer number (119140450060).

Almost surely, 2^{1597044897856} is an apocalyptic number.

1597044897856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1597044897856 is an abundant number, since it is smaller than the sum of its proper divisors (1738887703824).

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

1597044897856 is a wasteful number, since it uses less digits than its factorization.

1597044897856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313359322 (or 1313359312 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 73.

The spelling of 1597044897856 in words is "one trillion, five hundred ninety-seven billion, forty-four million, eight hundred ninety-seven thousand, eight hundred fifty-six".