3161640765706 has 8 divisors (see below), whose sum is σ = 4791352500900. Its totient is φ = 1564523265408.

The previous prime is 3161640765677. The next prime is 3161640765721. The reversal of 3161640765706 is 6075670461613.

It can be written as a sum of positive squares in 2 ways, for example, as 3094225239681 + 67415526025 = 1759041^2 + 259645^2 .

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

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, 8148558481 + ... + 8148558868.

Almost surely, 2^{3161640765706} is an apocalyptic number.

3161640765706 is a deficient number, since it is larger than the sum of its proper divisors (1629711735194).

3161640765706 is a wasteful number, since it uses less digits than its factorization.

3161640765706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297117448.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 3161640765706 in words is "three trillion, one hundred sixty-one billion, six hundred forty million, seven hundred sixty-five thousand, seven hundred six".