161361361468 has 6 divisors (see below), whose sum is σ = 282382382576. Its totient is φ = 80680680732.

The previous prime is 161361361463. The next prime is 161361361477. The reversal of 161361361468 is 864163163161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161361361463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170170180 + ... + 20170170187.

Almost surely, 2^161361361468 is an apocalyptic number.

It is an amenable number.

161361361468 is a deficient number, since it is larger than the sum of its proper divisors (121021021108).

161361361468 is a wasteful number, since it uses less digits than its factorization.

161361361468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340340371 (or 40340340369 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The spelling of 161361361468 in words is "one hundred sixty-one billion, three hundred sixty-one million, three hundred sixty-one thousand, four hundred sixty-eight".