681648468300 has 108 divisors (see below), whose sum is σ = 2182048735776. Its totient is φ = 177905404800.

The previous prime is 681648468269. The next prime is 681648468307. The reversal of 681648468300 is 3864846186.

681648468300 is a `hidden beast` number, since 6 + 81 + 6 + 484 + 6 + 83 + 0 + 0 = 666.

681648468300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×681648468300² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (681648468307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8015011 + ... + 8099610.

Almost surely, 2^681648468300 is an apocalyptic number.

681648468300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681648468300 is an abundant number, since it is smaller than the sum of its proper divisors (1500400267476).

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

681648468300 is a wasteful number, since it uses less digits than its factorization.

681648468300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16114688 (or 16114678 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 681648468300 in words is "six hundred eighty-one billion, six hundred forty-eight million, four hundred sixty-eight thousand, three hundred".