2131680600 has 144 divisors (see below), whose sum is σ = 8181641520. Its totient is φ = 487238400.

The previous prime is 2131680599. The next prime is 2131680653. The reversal of 2131680600 is 60861312.

2131680600 is a `hidden beast` number, since 21 + 31 + 6 + 8 + 0 + 600 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71991 + ... + 97190.

It is an arithmetic number, because the mean of its divisors is an integer number (56816955).

Almost surely, 2^2131680600 is an apocalyptic number.

2131680600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131680600 is an abundant number, since it is smaller than the sum of its proper divisors (6049960920).

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

2131680600 is a wasteful number, since it uses less digits than its factorization.

2131680600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169210 (or 169198 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2131680600 is about 46170.1267054792. The cubic root of 2131680600 is about 1286.9866568203.

The spelling of 2131680600 in words is "two billion, one hundred thirty-one million, six hundred eighty thousand, six hundred".