1065660245340 has 24 divisors (see below), whose sum is σ = 2983848687120. Its totient is φ = 284176065408.

The previous prime is 1065660245339. The next prime is 1065660245359. The reversal of 1065660245340 is 435420665601.

It is a super-2 number, since 2×1065660245340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065660245292 and 1065660245301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8880501985 + ... + 8880502104.

It is an arithmetic number, because the mean of its divisors is an integer number (124327028630).

Almost surely, 2^{1065660245340} is an apocalyptic number.

1065660245340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065660245340 is an abundant number, since it is smaller than the sum of its proper divisors (1918188441780).

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

1065660245340 is a wasteful number, since it uses less digits than its factorization.

1065660245340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761004101 (or 17761004099 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1065660245340 in words is "one trillion, sixty-five billion, six hundred sixty million, two hundred forty-five thousand, three hundred forty".