16550063020161 has 192 divisors, whose sum is σ = 29159225452800. Its totient is φ = 9310716149760.

The previous prime is 16550063020129. The next prime is 16550063020193. The reversal of 16550063020161 is 16102036005561.

16550063020161 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 0 + 0 + 630 + 2 + 0 + 16 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (16550063020129) and next prime (16550063020193).

It is not a de Polignac number, because 16550063020161 - 2⁵ = 16550063020129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16550063020061) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 507514225 + ... + 507546833.

It is an arithmetic number, because the mean of its divisors is an integer number (151870965900).

Almost surely, 2^{16550063020161} is an apocalyptic number.

16550063020161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16550063020161 is a deficient number, since it is larger than the sum of its proper divisors (12609162432639).

16550063020161 is an equidigital number, since it uses as much as digits as its factorization.

16550063020161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32748 (or 32713 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

It can be divided in two parts, 165500 and 63020161, that added together give a triangular number (63185661 = T₁₁₂₄₁).

The spelling of 16550063020161 in words is "sixteen trillion, five hundred fifty billion, sixty-three million, twenty thousand, one hundred sixty-one".