165316712 has 64 divisors (see below), whose sum is σ = 346731840. Its totient is φ = 73267200.

The previous prime is 165316631. The next prime is 165316717. The reversal of 165316712 is 217613561.

It is not an unprimeable number, because it can be changed into a prime (165316717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913262 + ... + 913442.

It is an arithmetic number, because the mean of its divisors is an integer number (5417685).

Almost surely, 2^165316712 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 165316712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173365920).

165316712 is an abundant number, since it is smaller than the sum of its proper divisors (181415128).

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

165316712 is a wasteful number, since it uses less digits than its factorization.

165316712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 398 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 165316712 is about 12857.5546664208. The cubic root of 165316712 is about 548.8313610612.

The spelling of 165316712 in words is "one hundred sixty-five million, three hundred sixteen thousand, seven hundred twelve".