1641162 has 8 divisors (see below), whose sum is σ = 3282336. Its totient is φ = 547052.

The previous prime is 1641161. The next prime is 1641217. The reversal of 1641162 is 2611461.

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

1641162 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1641161) 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, 136758 + ... + 136769.

It is an arithmetic number, because the mean of its divisors is an integer number (410292).

2^1641162 is an apocalyptic number.

1641162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1641162 is a wasteful number, since it uses less digits than its factorization.

1641162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273532.

The product of its digits is 288, while the sum is 21.

The square root of 1641162 is about 1281.0784519302. The cubic root of 1641162 is about 117.9552161762.

Subtracting 1641162 from its reverse (2611461), we obtain a cube (970299 = 99³).

It can be divided in two parts, 164 and 1162, that added together give a triangular number (1326 = T₅₁).

The spelling of 1641162 in words is "one million, six hundred forty-one thousand, one hundred sixty-two".