162856018 has 32 divisors (see below), whose sum is σ = 276842160. Its totient is φ = 71331840.

The previous prime is 162856009. The next prime is 162856021. The reversal of 162856018 is 810658261.

It can be written as a sum of positive squares in 8 ways, for example, as 46280809 + 116575209 = 6803^2 + 10797^2 .

It is a super-3 number, since 3×162856018³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 37378 + ... + 41506.

Almost surely, 2^162856018 is an apocalyptic number.

162856018 is a deficient number, since it is larger than the sum of its proper divisors (113986142).

162856018 is a wasteful number, since it uses less digits than its factorization.

162856018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 162856018 is about 12761.5053187310. The cubic root of 162856018 is about 546.0946693222.

The spelling of 162856018 in words is "one hundred sixty-two million, eight hundred fifty-six thousand, eighteen".