16161768106 has 64 divisors (see below), whose sum is σ = 28802874240. Its totient is φ = 6721920000.

The previous prime is 16161768071. The next prime is 16161768143. The reversal of 16161768106 is 60186716161.

It is a super-2 number, since 2×16161768106² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1726270 + ... + 1735606.

It is an arithmetic number, because the mean of its divisors is an integer number (450044910).

Almost surely, 2^16161768106 is an apocalyptic number.

16161768106 is a deficient number, since it is larger than the sum of its proper divisors (12641106134).

16161768106 is a wasteful number, since it uses less digits than its factorization.

16161768106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 16161768106 in words is "sixteen billion, one hundred sixty-one million, seven hundred sixty-eight thousand, one hundred six".