1289538662160 has 160 divisors (see below), whose sum is σ = 4716027297792. Its totient is φ = 285243563520.

The previous prime is 1289538662107. The next prime is 1289538662171. The reversal of 1289538662160 is 612668359821.

It is a super-2 number, since 2×1289538662160² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1289538662160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12328284 + ... + 12432443.

Almost surely, 2^{1289538662160} is an apocalyptic number.

1289538662160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1289538662160 is an abundant number, since it is smaller than the sum of its proper divisors (3426488635632).

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

1289538662160 is a wasteful number, since it uses less digits than its factorization.

1289538662160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24760781 (or 24760775 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 1289538662160 in words is "one trillion, two hundred eighty-nine billion, five hundred thirty-eight million, six hundred sixty-two thousand, one hundred sixty".