162078361 has 9 divisors (see below), whose sum is σ = 168243231. Its totient is φ = 156132984.

The previous prime is 162078359. The next prime is 162078373. The reversal of 162078361 is 163870261.

The square root of 162078361 is 12731.

It is a perfect power (a square), and thus also a powerful number.

162078361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 84989961 + 77088400 = 9219^2 + 8780^2 .

It is not a de Polignac number, because 162078361 - 2¹ = 162078359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162078311) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 368980 + ... + 369418.

Almost surely, 2^162078361 is an apocalyptic number.

162078361 is the 12731-st square number.

162078361 is the 6366-th centered octagonal number.

It is an amenable number.

162078361 is a deficient number, since it is larger than the sum of its proper divisors (6164870).

162078361 is an frugal number, since it uses more digits than its factorization.

162078361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The cubic root of 162078361 is about 545.2240595992.

The spelling of 162078361 in words is "one hundred sixty-two million, seventy-eight thousand, three hundred sixty-one".