681192096 has 48 divisors (see below), whose sum is σ = 1925681184. Its totient is φ = 209597184.

The previous prime is 681192077. The next prime is 681192119. The reversal of 681192096 is 690291186.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271666 + ... + 274161.

It is an arithmetic number, because the mean of its divisors is an integer number (40118358).

Almost surely, 2^681192096 is an apocalyptic number.

It is an amenable number.

681192096 is an abundant number, since it is smaller than the sum of its proper divisors (1244489088).

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

681192096 is a wasteful number, since it uses less digits than its factorization.

681192096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545853 (or 545845 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 681192096 is about 26099.6570092406. The cubic root of 681192096 is about 879.8795014072.

The spelling of 681192096 in words is "six hundred eighty-one million, one hundred ninety-two thousand, ninety-six".