1597669781159 has 8 divisors (see below), whose sum is σ = 1610293002240. Its totient is φ = 1585047234456.

The previous prime is 1597669781153. The next prime is 1597669781177. The reversal of 1597669781159 is 9511879667951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1597669781159 - 2¹⁶ = 1597669715623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597669781153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5281202 + ... + 5575520.

It is an arithmetic number, because the mean of its divisors is an integer number (201286625280).

Almost surely, 2^{1597669781159} is an apocalyptic number.

1597669781159 is a deficient number, since it is larger than the sum of its proper divisors (12623221081).

1597669781159 is a wasteful number, since it uses less digits than its factorization.

1597669781159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337189.

The product of its digits is 257191200, while the sum is 74.

The spelling of 1597669781159 in words is "one trillion, five hundred ninety-seven billion, six hundred sixty-nine million, seven hundred eighty-one thousand, one hundred fifty-nine".