66730336370 has 16 divisors (see below), whose sum is σ = 120164926680. Its totient is φ = 26680952064.

The previous prime is 66730336369. The next prime is 66730336391. The reversal of 66730336370 is 7363303766.

It can be written as a sum of positive squares in 4 ways, for example, as 37732674001 + 28997662369 = 194249^2 + 170287^2 .

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, 1372727 + ... + 1420506.

Almost surely, 2^66730336370 is an apocalyptic number.

66730336370 is a deficient number, since it is larger than the sum of its proper divisors (53434590310).

66730336370 is a wasteful number, since it uses less digits than its factorization.

66730336370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795629.

The product of its (nonzero) digits is 857304, while the sum is 44.

The spelling of 66730336370 in words is "sixty-six billion, seven hundred thirty million, three hundred thirty-six thousand, three hundred seventy".