16546176006121 has 4 divisors (see below), whose sum is σ = 16631907488212. Its totient is φ = 16460444524032.

The previous prime is 16546176006071. The next prime is 16546176006127. The reversal of 16546176006121 is 12160067164561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1196039700496 + 15350136305625 = 1093636^2 + 3917925^2 .

It is a cyclic number.

It is not a de Polignac number, because 16546176006121 - 2¹³ = 16546175997929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16546176006127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42865740756 + ... + 42865741141.

It is an arithmetic number, because the mean of its divisors is an integer number (4157976872053).

Almost surely, 2^{16546176006121} is an apocalyptic number.

It is an amenable number.

16546176006121 is a deficient number, since it is larger than the sum of its proper divisors (85731482091).

16546176006121 is an equidigital number, since it uses as much as digits as its factorization.

16546176006121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85731482090.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 16546176006121 in words is "sixteen trillion, five hundred forty-six billion, one hundred seventy-six million, six thousand, one hundred twenty-one".