1065455686680 has 1024 divisors, whose sum is σ = 4252925952000. Its totient is φ = 207077990400.

The previous prime is 1065455686679. The next prime is 1065455686721. The reversal of 1065455686680 is 866865545601.

It is a super-2 number, since 2×1065455686680² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2427005901 + ... + 2427006339.

It is an arithmetic number, because the mean of its divisors is an integer number (4153248000).

Almost surely, 2^{1065455686680} is an apocalyptic number.

1065455686680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065455686680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2126462976000).

1065455686680 is an abundant number, since it is smaller than the sum of its proper divisors (3187470265320).

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

1065455686680 is a wasteful number, since it uses less digits than its factorization.

1065455686680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 1065455686680 in words is "one trillion, sixty-five billion, four hundred fifty-five million, six hundred eighty-six thousand, six hundred eighty".