1066845513510 has 96 divisors (see below), whose sum is σ = 3170252666880. Its totient is φ = 243835216704.

The previous prime is 1066845513509. The next prime is 1066845513523. The reversal of 1066845513510 is 153155486601.

It is a happy number.

1066845513510 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 84 + 5 + 51 + 3 + 510 = 666.

It is a super-2 number, since 2×1066845513510² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12405319 + ... + 12491021.

It is an arithmetic number, because the mean of its divisors is an integer number (33023465280).

Almost surely, 2^{1066845513510} is an apocalyptic number.

1066845513510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066845513510 is an abundant number, since it is smaller than the sum of its proper divisors (2103407153370).

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

1066845513510 is a wasteful number, since it uses less digits than its factorization.

1066845513510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105482 (or 105479 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 1066845513510 in words is "one trillion, sixty-six billion, eight hundred forty-five million, five hundred thirteen thousand, five hundred ten".