162870 has 32 divisors (see below), whose sum is σ = 401760. Its totient is φ = 42240.

The previous prime is 162859. The next prime is 162881. The reversal of 162870 is 78261.

It is an interprime number because it is at equal distance from previous prime (162859) and next prime (162881).

It is a self number, because there is not a number n which added to its sum of digits gives 162870.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162870.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (12555).

2¹⁶²⁸⁷⁰ is an apocalyptic number.

162870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200880).

162870 is an abundant number, since it is smaller than the sum of its proper divisors (238890).

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

162870 is a wasteful number, since it uses less digits than its factorization.

162870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 162870 is about 403.5715549937. The cubic root of 162870 is about 54.6110297190.

The spelling of 162870 in words is "one hundred sixty-two thousand, eight hundred seventy".