1161602172116 has 12 divisors (see below), whose sum is σ = 2032815882132. Its totient is φ = 580797634368.

The previous prime is 1161602172091. The next prime is 1161602172121. The reversal of 1161602172116 is 6112712061611.

It can be written as a sum of positive squares in 2 ways, for example, as 709883762116 + 451718410000 = 842546^2 + 672100^2 .

It is a congruent number.

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, 12635 + ... + 1524258.

It is an arithmetic number, because the mean of its divisors is an integer number (169401323511).

Almost surely, 2^{1161602172116} is an apocalyptic number.

It is an amenable number.

1161602172116 is a deficient number, since it is larger than the sum of its proper divisors (871213710016).

1161602172116 is a wasteful number, since it uses less digits than its factorization.

1161602172116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725850 (or 1725848 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 1161602172116 in words is "one trillion, one hundred sixty-one billion, six hundred two million, one hundred seventy-two thousand, one hundred sixteen".