16661176073361 has 24 divisors (see below), whose sum is σ = 24078268678464. Its totient is φ = 11101855805280.

The previous prime is 16661176073257. The next prime is 16661176073363. The reversal of 16661176073361 is 16337067116661.

It is not a de Polignac number, because 16661176073361 - 2⁷ = 16661176073233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16661176073298 and 16661176073307.

It is not an unprimeable number, because it can be changed into a prime (16661176073363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147013860 + ... + 147127146.

It is an arithmetic number, because the mean of its divisors is an integer number (1003261194936).

Almost surely, 2^{16661176073361} is an apocalyptic number.

It is an amenable number.

16661176073361 is a deficient number, since it is larger than the sum of its proper divisors (7417092605103).

16661176073361 is a wasteful number, since it uses less digits than its factorization.

16661176073361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121381 (or 121378 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 16661176073361 in words is "sixteen trillion, six hundred sixty-one billion, one hundred seventy-six million, seventy-three thousand, three hundred sixty-one".