165670960 has 120 divisors (see below), whose sum is σ = 482687856. Its totient is φ = 52416000.

The previous prime is 165670957. The next prime is 165670963. The reversal of 165670960 is 69076561.

It is an interprime number because it is at equal distance from previous prime (165670957) and next prime (165670963).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165670963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49335 + ... + 52585.

Almost surely, 2^165670960 is an apocalyptic number.

165670960 is a gapful number since it is divisible by the number (10) 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 165670960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241343928).

165670960 is an abundant number, since it is smaller than the sum of its proper divisors (317016896).

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

165670960 is a wasteful number, since it uses less digits than its factorization.

165670960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 165670960 is about 12871.3231643060. The cubic root of 165670960 is about 549.2231014614.

The spelling of 165670960 in words is "one hundred sixty-five million, six hundred seventy thousand, nine hundred sixty".