165212632 has 32 divisors (see below), whose sum is σ = 335371680. Its totient is φ = 75847680.

The previous prime is 165212629. The next prime is 165212639. The reversal of 165212632 is 236212561.

It is a self number, because there is not a number n which added to its sum of digits gives 165212632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165212639) 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, 15957 + ... + 24187.

It is an arithmetic number, because the mean of its divisors is an integer number (10480365).

Almost surely, 2^165212632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165212632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167685840).

165212632 is an abundant number, since it is smaller than the sum of its proper divisors (170159048).

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

165212632 is a wasteful number, since it uses less digits than its factorization.

165212632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443 (or 8439 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 165212632 is about 12853.5066032581. The cubic root of 165212632 is about 548.7161592379.

The spelling of 165212632 in words is "one hundred sixty-five million, two hundred twelve thousand, six hundred thirty-two".