1662122004 has 24 divisors (see below), whose sum is σ = 3879982848. Its totient is φ = 553798080.

The previous prime is 1662122003. The next prime is 1662122017. The reversal of 1662122004 is 4002212661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 57659.

It is an arithmetic number, because the mean of its divisors is an integer number (161665952).

Almost surely, 2^1662122004 is an apocalyptic number.

It is an amenable number.

1662122004 is an abundant number, since it is smaller than the sum of its proper divisors (2217860844).

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

1662122004 is a wasteful number, since it uses less digits than its factorization.

1662122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60655 (or 60653 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1662122004 is about 40769.1305278884. The cubic root of 1662122004 is about 1184.5524618104.

Adding to 1662122004 its reverse (4002212661), we get a palindrome (5664334665).

The spelling of 1662122004 in words is "one billion, six hundred sixty-two million, one hundred twenty-two thousand, four".