1663162 has 8 divisors (see below), whose sum is σ = 2520756. Its totient is φ = 822912.

The previous prime is 1663157. The next prime is 1663169. The reversal of 1663162 is 2613661.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 22201 = 1281^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1663162³ = 13801456333408702584, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1663169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4093 + ... + 4480.

2^1663162 is an apocalyptic number.

1663162 is a deficient number, since it is larger than the sum of its proper divisors (857594).

1663162 is an equidigital number, since it uses as much as digits as its factorization.

1663162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its digits is 1296, while the sum is 25.

The square root of 1663162 is about 1289.6363828615. The cubic root of 1663162 is about 118.4799469946.

The spelling of 1663162 in words is "one million, six hundred sixty-three thousand, one hundred sixty-two".