1601896904 has 16 divisors (see below), whose sum is σ = 3041577600. Its totient is φ = 790809552.

The previous prime is 1601896871. The next prime is 1601896913. The reversal of 1601896904 is 4096981061.

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, 1266692 + ... + 1267955.

It is an arithmetic number, because the mean of its divisors is an integer number (190098600).

Almost surely, 2^1601896904 is an apocalyptic number.

It is an amenable number.

1601896904 is a deficient number, since it is larger than the sum of its proper divisors (1439680696).

1601896904 is a wasteful number, since it uses less digits than its factorization.

1601896904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534732 (or 2534728 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1601896904 is about 40023.7042763410. The cubic root of 1601896904 is about 1170.0691278220.

The spelling of 1601896904 in words is "one billion, six hundred one million, eight hundred ninety-six thousand, nine hundred four".