1601807648 has 36 divisors (see below), whose sum is σ = 3668429142. Its totient is φ = 686488320.

The previous prime is 1601807617. The next prime is 1601807681. The reversal of 1601807648 is 8467081061.

It can be written as a sum of positive squares in only one way, i.e., 1516946704 + 84860944 = 38948^2 + 9212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509213 + ... + 512348.

Almost surely, 2^1601807648 is an apocalyptic number.

It is an amenable number.

1601807648 is an abundant number, since it is smaller than the sum of its proper divisors (2066621494).

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

1601807648 is a wasteful number, since it uses less digits than its factorization.

1601807648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021585 (or 1021570 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1601807648 is about 40022.5892215884. The cubic root of 1601807648 is about 1170.0473957472.

The spelling of 1601807648 in words is "one billion, six hundred one million, eight hundred seven thousand, six hundred forty-eight".