161600105550063 has 8 divisors (see below), whose sum is σ = 215785074474288. Its totient is φ = 107574270162944.

The previous prime is 161600105550061. The next prime is 161600105550167. The reversal of 161600105550063 is 360055501006161.

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 161600105550063 - 2¹ = 161600105550061 is a prime.

It is a super-2 number, since 2×161600105550063² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161600105550061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39783381906 + ... + 39783385967.

It is an arithmetic number, because the mean of its divisors is an integer number (26973134309286).

Almost surely, 2^{161600105550063} is an apocalyptic number.

161600105550063 is a deficient number, since it is larger than the sum of its proper divisors (54184968924225).

161600105550063 is an equidigital number, since it uses as much as digits as its factorization.

161600105550063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79566768553.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 161600105550063 in words is "one hundred sixty-one trillion, six hundred billion, one hundred five million, five hundred fifty thousand, sixty-three".