165232872 has 160 divisors (see below), whose sum is σ = 537240000. Its totient is φ = 46469376.

The previous prime is 165232867. The next prime is 165232913. The reversal of 165232872 is 278232561.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 330879 + ... + 331377.

It is an arithmetic number, because the mean of its divisors is an integer number (3357750).

Almost surely, 2^165232872 is an apocalyptic number.

165232872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165232872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268620000).

165232872 is an abundant number, since it is smaller than the sum of its proper divisors (372007128).

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

165232872 is a wasteful number, since it uses less digits than its factorization.

165232872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 584 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 165232872 is about 12854.2939129304. The cubic root of 165232872 is about 548.7385658409.

The spelling of 165232872 in words is "one hundred sixty-five million, two hundred thirty-two thousand, eight hundred seventy-two".