981307340066 has 16 divisors (see below), whose sum is σ = 1519468651008. Its totient is φ = 474818311200.

The previous prime is 981307340059. The next prime is 981307340071. The reversal of 981307340066 is 660043703189.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 981307340066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5884211 + ... + 6048681.

It is an arithmetic number, because the mean of its divisors is an integer number (94966790688).

Almost surely, 2^981307340066 is an apocalyptic number.

981307340066 is a deficient number, since it is larger than the sum of its proper divisors (538161310942).

981307340066 is a wasteful number, since it uses less digits than its factorization.

981307340066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260737.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 981307340066 in words is "nine hundred eighty-one billion, three hundred seven million, three hundred forty thousand, sixty-six".