16166156516010 has 56 divisors (see below), whose sum is σ = 43628664394980. Its totient is φ = 4310975068992.

The previous prime is 16166156515921. The next prime is 16166156516017. The reversal of 16166156516010 is 1061565166161.

16166156516010 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 61 + 565 + 16 + 0 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16099265487321 + 66891028689 = 4012389^2 + 258633^2 .

It is a super-2 number, since 2×16166156516010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16166156516017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1108782595 + ... + 1108797174.

Almost surely, 2^{16166156516010} is an apocalyptic number.

16166156516010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16166156516010 is an abundant number, since it is smaller than the sum of its proper divisors (27462507878970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16166156516010 is an equidigital number, since it uses as much as digits as its factorization.

16166156516010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217579794 (or 2217579779 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 16166156516010 in words is "sixteen trillion, one hundred sixty-six billion, one hundred fifty-six million, five hundred sixteen thousand, ten".