161136063635 has 8 divisors (see below), whose sum is σ = 194230377600. Its totient is φ = 128330783424.

The previous prime is 161136063629. The next prime is 161136063659. The reversal of 161136063635 is 536360631161.

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

It is a cyclic number.

It is not a de Polignac number, because 161136063635 - 2¹⁴ = 161136047251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161136063592 and 161136063601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72257210 + ... + 72259439.

It is an arithmetic number, because the mean of its divisors is an integer number (24278797200).

Almost surely, 2^161136063635 is an apocalyptic number.

161136063635 is a deficient number, since it is larger than the sum of its proper divisors (33094313965).

161136063635 is a wasteful number, since it uses less digits than its factorization.

161136063635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144516877.

The product of its (nonzero) digits is 174960, while the sum is 41.

Adding to 161136063635 its reverse (536360631161), we get a palindrome (697496694796).

The spelling of 161136063635 in words is "one hundred sixty-one billion, one hundred thirty-six million, sixty-three thousand, six hundred thirty-five".