165697332 has 24 divisors (see below), whose sum is σ = 387030336. Its totient is φ = 55174848.

The previous prime is 165697327. The next prime is 165697333. The reversal of 165697332 is 233796561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165697333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5713 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (16126264).

Almost surely, 2^165697332 is an apocalyptic number.

165697332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165697332 is an abundant number, since it is smaller than the sum of its proper divisors (221333004).

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

165697332 is a wasteful number, since it uses less digits than its factorization.

165697332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14407 (or 14405 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 165697332 is about 12872.3475714417. The cubic root of 165697332 is about 549.2522422417.

The spelling of 165697332 in words is "one hundred sixty-five million, six hundred ninety-seven thousand, three hundred thirty-two".