1660897832 has 32 divisors (see below), whose sum is σ = 3417664320. Its totient is φ = 750426240.

The previous prime is 1660897801. The next prime is 1660897837. The reversal of 1660897832 is 2387980661.

It is not an unprimeable number, because it can be changed into a prime (1660897837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41813 + ... + 71204.

It is an arithmetic number, because the mean of its divisors is an integer number (106802010).

Almost surely, 2^1660897832 is an apocalyptic number.

It is an amenable number.

1660897832 is an abundant number, since it is smaller than the sum of its proper divisors (1756766488).

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

1660897832 is a wasteful number, since it uses less digits than its factorization.

1660897832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113201 (or 113197 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 1660897832 is about 40754.1142953690. The cubic root of 1660897832 is about 1184.2615782085.

The spelling of 1660897832 in words is "one billion, six hundred sixty million, eight hundred ninety-seven thousand, eight hundred thirty-two".