1601662112 has 24 divisors (see below), whose sum is σ = 3262007700. Its totient is φ = 773215744.

The previous prime is 1601662103. The next prime is 1601662147. The reversal of 1601662112 is 2112661061.

It can be written as a sum of positive squares in 2 ways, for example, as 1596481936 + 5180176 = 39956^2 + 2276^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862037 + ... + 863892.

Almost surely, 2^1601662112 is an apocalyptic number.

It is an amenable number.

1601662112 is an abundant number, since it is smaller than the sum of its proper divisors (1660345588).

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

1601662112 is a wasteful number, since it uses less digits than its factorization.

1601662112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725968 (or 1725960 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1601662112 is about 40020.7710070658. The cubic root of 1601662112 is about 1170.0119588716.

The spelling of 1601662112 in words is "one billion, six hundred one million, six hundred sixty-two thousand, one hundred twelve".