685046160 has 240 divisors, whose sum is σ = 2412970560. Its totient is φ = 180610560.

The previous prime is 685046137. The next prime is 685046183. The reversal of 685046160 is 61640586.

It is an interprime number because it is at equal distance from previous prime (685046137) and next prime (685046183).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2546506 + ... + 2546774.

It is an arithmetic number, because the mean of its divisors is an integer number (10054044).

Almost surely, 2^685046160 is an apocalyptic number.

685046160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685046160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206485280).

685046160 is an abundant number, since it is smaller than the sum of its proper divisors (1727924400).

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

685046160 is a wasteful number, since it uses less digits than its factorization.

685046160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 685046160 is about 26173.3864832199. The cubic root of 685046160 is about 881.5357823696.

The spelling of 685046160 in words is "six hundred eighty-five million, forty-six thousand, one hundred sixty".