1656960 has 64 divisors (see below), whose sum is σ = 5287680. Its totient is φ = 441344.

The previous prime is 1656953. The next prime is 1656979. The reversal of 1656960 is 696561.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2^1656960 is an apocalyptic number.

1656960 is a gapful number since it is divisible by the number (10) 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 1656960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643840).

1656960 is an abundant number, since it is smaller than the sum of its proper divisors (3630720).

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

1656960 is an equidigital number, since it uses as much as digits as its factorization.

1656960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1656960 is about 1287.2295832523. The cubic root of 1656960 is about 118.3324913427.

The spelling of 1656960 in words is "one million, six hundred fifty-six thousand, nine hundred sixty".