1611797709316 has 12 divisors (see below), whose sum is σ = 2820745939788. Its totient is φ = 805870297952.

The previous prime is 1611797709311. The next prime is 1611797709317. The reversal of 1611797709316 is 6139077971161.

It can be written as a sum of positive squares in 2 ways, for example, as 711822940416 + 899974768900 = 843696^2 + 948670^2 .

It is not an unprimeable number, because it can be changed into a prime (1611797709311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7011931 + ... + 7238146.

It is an arithmetic number, because the mean of its divisors is an integer number (235062161649).

Almost surely, 2^{1611797709316} is an apocalyptic number.

It is an amenable number.

1611797709316 is a deficient number, since it is larger than the sum of its proper divisors (1208948230472).

1611797709316 is a wasteful number, since it uses less digits than its factorization.

1611797709316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278358 (or 14278356 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 58.

The spelling of 1611797709316 in words is "one trillion, six hundred eleven billion, seven hundred ninety-seven million, seven hundred nine thousand, three hundred sixteen".