1061844628866 has 64 divisors (see below), whose sum is σ = 2561664230400. Its totient is φ = 286645957056.

The previous prime is 1061844628849. The next prime is 1061844628913. The reversal of 1061844628866 is 6688264481601.

It is a super-2 number, since 2×1061844628866² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1486036 + ... + 2081343.

It is an arithmetic number, because the mean of its divisors is an integer number (40026003600).

Almost surely, 2^{1061844628866} is an apocalyptic number.

1061844628866 is an abundant number, since it is smaller than the sum of its proper divisors (1499819601534).

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

1061844628866 is a wasteful number, since it uses less digits than its factorization.

1061844628866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567783.

The product of its (nonzero) digits is 21233664, while the sum is 60.

The spelling of 1061844628866 in words is "one trillion, sixty-one billion, eight hundred forty-four million, six hundred twenty-eight thousand, eight hundred sixty-six".