162978 has 16 divisors (see below), whose sum is σ = 340416. Its totient is φ = 51920.

The previous prime is 162973. The next prime is 162989. The reversal of 162978 is 879261.

162978 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 (162971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (21276).

2¹⁶²⁹⁷⁸ is an apocalyptic number.

162978 is an abundant number, since it is smaller than the sum of its proper divisors (177438).

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

162978 is a wasteful number, since it uses less digits than its factorization.

162978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its digits is 6048, while the sum is 33.

The square root of 162978 is about 403.7053380871. The cubic root of 162978 is about 54.6230980108.

The spelling of 162978 in words is "one hundred sixty-two thousand, nine hundred seventy-eight".