1601968 has 20 divisors (see below), whose sum is σ = 3158280. Its totient is φ = 786944.

The previous prime is 1601953. The next prime is 1601969. The reversal of 1601968 is 8691061.

It is a happy number.

It is a super-3 number, since 3×1601968³ = 12333398514411933696, which contains 333 as substring.

1601968 is a modest number, since divided by 1968 gives 16 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1601969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 1792.

It is an arithmetic number, because the mean of its divisors is an integer number (157914).

2^1601968 is an apocalyptic number.

It is an amenable number.

1601968 is a deficient number, since it is larger than the sum of its proper divisors (1556312).

1601968 is a wasteful number, since it uses less digits than its factorization.

1601968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1601968 is about 1265.6887453083. The cubic root of 1601968 is about 117.0086437718.

The spelling of 1601968 in words is "one million, six hundred one thousand, nine hundred sixty-eight".