1660746106 has 16 divisors (see below), whose sum is σ = 2534469480. Its totient is φ = 815950080.

The previous prime is 1660746097. The next prime is 1660746151. The reversal of 1660746106 is 6016470661.

It can be written as a sum of positive squares in 4 ways, for example, as 320087881 + 1340658225 = 17891^2 + 36615^2 .

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, 127630 + ... + 140038.

Almost surely, 2^1660746106 is an apocalyptic number.

1660746106 is a deficient number, since it is larger than the sum of its proper divisors (873723374).

1660746106 is a wasteful number, since it uses less digits than its factorization.

1660746106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13569.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1660746106 is about 40752.2527720861. The cubic root of 1660746106 is about 1184.2255156363.

The spelling of 1660746106 in words is "one billion, six hundred sixty million, seven hundred forty-six thousand, one hundred six".