1661833132 has 12 divisors (see below), whose sum is σ = 2908631376. Its totient is φ = 830795600.

The previous prime is 1661833111. The next prime is 1661833211. The reversal of 1661833132 is 2313381661.

It is a super-2 number, since 2×1661833132² = 5523378717225858848, which contains 22 as substring.

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, 5313 + ... + 57895.

It is an arithmetic number, because the mean of its divisors is an integer number (242385948).

Almost surely, 2^1661833132 is an apocalyptic number.

It is an amenable number.

1661833132 is a deficient number, since it is larger than the sum of its proper divisors (1246798244).

1661833132 is a wasteful number, since it uses less digits than its factorization.

1661833132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60488 (or 60486 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 1661833132 is about 40765.5875954217. The cubic root of 1661833132 is about 1184.4838339032.

The spelling of 1661833132 in words is "one billion, six hundred sixty-one million, eight hundred thirty-three thousand, one hundred thirty-two".