165852770 has 32 divisors (see below), whose sum is σ = 312439680. Its totient is φ = 63268480.

The previous prime is 165852761. The next prime is 165852773. The reversal of 165852770 is 77258561.

165852770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165852773) 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, 95510 + ... + 97230.

It is an arithmetic number, because the mean of its divisors is an integer number (9763740).

Almost surely, 2^165852770 is an apocalyptic number.

165852770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165852770 is a deficient number, since it is larger than the sum of its proper divisors (146586910).

165852770 is a wasteful number, since it uses less digits than its factorization.

165852770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 165852770 is about 12878.3838271733. The cubic root of 165852770 is about 549.4239367941.

The spelling of 165852770 in words is "one hundred sixty-five million, eight hundred fifty-two thousand, seven hundred seventy".