1665055132 has 24 divisors (see below), whose sum is σ = 3139898832. Its totient is φ = 768019200.

The previous prime is 1665055129. The next prime is 1665055153. The reversal of 1665055132 is 2315505661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85332 + ... + 103012.

It is an arithmetic number, because the mean of its divisors is an integer number (130829118).

Almost surely, 2^1665055132 is an apocalyptic number.

It is an amenable number.

1665055132 is a deficient number, since it is larger than the sum of its proper divisors (1474843700).

1665055132 is a wasteful number, since it uses less digits than its factorization.

1665055132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19509 (or 19507 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1665055132 is about 40805.0870848231. The cubic root of 1665055132 is about 1185.2488411407.

The spelling of 1665055132 in words is "one billion, six hundred sixty-five million, fifty-five thousand, one hundred thirty-two".