1065896213580 has 96 divisors (see below), whose sum is σ = 3617587169280. Its totient is φ = 258399080640.

The previous prime is 1065896213561. The next prime is 1065896213581. The reversal of 1065896213580 is 853126985601.

1065896213580 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 8 + 9 + 621 + 3 + 5 + 8 + 0 = 666.

It is a super-2 number, since 2×1065896213580² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1065896213581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89715964 + ... + 89727843.

It is an arithmetic number, because the mean of its divisors is an integer number (37683199680).

Almost surely, 2^{1065896213580} is an apocalyptic number.

1065896213580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065896213580 is an abundant number, since it is smaller than the sum of its proper divisors (2551690955700).

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

1065896213580 is a wasteful number, since it uses less digits than its factorization.

1065896213580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179443836 (or 179443828 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1065896213580 in words is "one trillion, sixty-five billion, eight hundred ninety-six million, two hundred thirteen thousand, five hundred eighty".