685096150816 has 96 divisors (see below), whose sum is σ = 1686285941760. Its totient is φ = 266176723200.

The previous prime is 685096150811. The next prime is 685096150873. The reversal of 685096150816 is 618051690586.

It is not an unprimeable number, because it can be changed into a prime (685096150811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 497331 + ... + 1271821.

It is an arithmetic number, because the mean of its divisors is an integer number (17565478560).

Almost surely, 2^685096150816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685096150816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843142970880).

685096150816 is an abundant number, since it is smaller than the sum of its proper divisors (1001189790944).

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

685096150816 is a wasteful number, since it uses less digits than its factorization.

685096150816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774878 (or 774870 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 685096150816 in words is "six hundred eighty-five billion, ninety-six million, one hundred fifty thousand, eight hundred sixteen".