1597705572472 has 16 divisors (see below), whose sum is σ = 2995822443240. Its totient is φ = 798819587616.

The previous prime is 1597705572467. The next prime is 1597705572517. The reversal of 1597705572472 is 2742755077951.

It is a self number, because there is not a number n which added to its sum of digits gives 1597705572472.

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 3 ways as a sum of consecutive naturals, for example, 3944698 + ... + 4330825.

Almost surely, 2^{1597705572472} is an apocalyptic number.

It is an amenable number.

1597705572472 is a deficient number, since it is larger than the sum of its proper divisors (1398116870768).

1597705572472 is a wasteful number, since it uses less digits than its factorization.

1597705572472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8299662 (or 8299658 counting only the distinct ones).

The product of its (nonzero) digits is 43218000, while the sum is 61.

The spelling of 1597705572472 in words is "one trillion, five hundred ninety-seven billion, seven hundred five million, five hundred seventy-two thousand, four hundred seventy-two".