1065545863398 has 12 divisors (see below), whose sum is σ = 2308682704068. Its totient is φ = 355181954460.

The previous prime is 1065545863387. The next prime is 1065545863399. The reversal of 1065545863398 is 8933685455601.

It is a happy number.

1065545863398 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 545 + 86 + 3 + 3 + 9 + 8 = 666.

It is a super-2 number, since 2×1065545863398² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065545863399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29598496188 + ... + 29598496223.

It is an arithmetic number, because the mean of its divisors is an integer number (192390225339).

Almost surely, 2^{1065545863398} is an apocalyptic number.

1065545863398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1065545863398 is an abundant number, since it is smaller than the sum of its proper divisors (1243136840670).

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

1065545863398 is a wasteful number, since it uses less digits than its factorization.

1065545863398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59196992419 (or 59196992416 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 63.

The spelling of 1065545863398 in words is "one trillion, sixty-five billion, five hundred forty-five million, eight hundred sixty-three thousand, three hundred ninety-eight".