2161676004200 has 48 divisors (see below), whose sum is σ = 5026585500780. Its totient is φ = 864551900160.

The previous prime is 2161676004199. The next prime is 2161676004203. The reversal of 2161676004200 is 24006761612.

It can be written as a sum of positive squares in 6 ways, for example, as 61025797156 + 2100650207044 = 247034^2 + 1449362^2 .

It is not an unprimeable number, because it can be changed into a prime (2161676004203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729632 + ... + 2203568.

Almost surely, 2^{2161676004200} is an apocalyptic number.

2161676004200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2161676004200 is an abundant number, since it is smaller than the sum of its proper divisors (2864909496580).

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

2161676004200 is a wasteful number, since it uses less digits than its factorization.

2161676004200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481286 (or 1481277 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 2161676004200 in words is "two trillion, one hundred sixty-one billion, six hundred seventy-six million, four thousand, two hundred".