1597767966 has 48 divisors (see below), whose sum is σ = 3560356800. Its totient is φ = 517472064.

The previous prime is 1597767959. The next prime is 1597767971. The reversal of 1597767966 is 6697677951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690820 + ... + 693128.

It is an arithmetic number, because the mean of its divisors is an integer number (74174100).

Almost surely, 2^1597767966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1597767966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780178400).

1597767966 is an abundant number, since it is smaller than the sum of its proper divisors (1962588834).

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

1597767966 is a wasteful number, since it uses less digits than its factorization.

1597767966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3390 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 63.

The square root of 1597767966 is about 39972.0898377856. The cubic root of 1597767966 is about 1169.0629665989.

The spelling of 1597767966 in words is "one billion, five hundred ninety-seven million, seven hundred sixty-seven thousand, nine hundred sixty-six".