165043532 has 48 divisors (see below), whose sum is σ = 309687840. Its totient is φ = 76838400.

The previous prime is 165043523. The next prime is 165043577. The reversal of 165043532 is 235340561.

It is a junction number, because it is equal to n+sod(n) for n = 165043495 and 165043504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357782 + ... + 358242.

It is an arithmetic number, because the mean of its divisors is an integer number (6451830).

Almost surely, 2^165043532 is an apocalyptic number.

It is an amenable number.

165043532 is a deficient number, since it is larger than the sum of its proper divisors (144644308).

165043532 is a wasteful number, since it uses less digits than its factorization.

165043532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 165043532 is about 12846.9269477179. The cubic root of 165043532 is about 548.5288862744.

The spelling of 165043532 in words is "one hundred sixty-five million, forty-three thousand, five hundred thirty-two".