1642162 has 4 divisors (see below), whose sum is σ = 2463246. Its totient is φ = 821080.

The previous prime is 1642153. The next prime is 1642187. The reversal of 1642162 is 2612461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2612461 = 59 ⋅44279.

It can be written as a sum of positive squares in only one way, i.e., 1490841 + 151321 = 1221^2 + 389^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410539 + ... + 410542.

2^1642162 is an apocalyptic number.

1642162 is a deficient number, since it is larger than the sum of its proper divisors (821084).

1642162 is an equidigital number, since it uses as much as digits as its factorization.

1642162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821083.

The product of its digits is 576, while the sum is 22.

The square root of 1642162 is about 1281.4686886538. The cubic root of 1642162 is about 117.9791689744.

Subtracting 1642162 from its reverse (2612461), we obtain a cube (970299 = 99³).

The spelling of 1642162 in words is "one million, six hundred forty-two thousand, one hundred sixty-two".