1005747385866 has 8 divisors (see below), whose sum is σ = 2011494771744. Its totient is φ = 335249128620.

The previous prime is 1005747385859. The next prime is 1005747385873. The reversal of 1005747385866 is 6685837475001.

1005747385866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1005747385859) and next prime (1005747385873).

It is a sphenic number, since it is the product of 3 distinct primes.

1005747385866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83812282150 + ... + 83812282161.

It is an arithmetic number, because the mean of its divisors is an integer number (251436846468).

Almost surely, 2^{1005747385866} is an apocalyptic number.

1005747385866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1005747385866 is a wasteful number, since it uses less digits than its factorization.

1005747385866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167624564316.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 1005747385866 in words is "one trillion, five billion, seven hundred forty-seven million, three hundred eighty-five thousand, eight hundred sixty-six".