1662343220202 has 32 divisors (see below), whose sum is σ = 4023149980032. Its totient is φ = 447016664064.

The previous prime is 1662343220201. The next prime is 1662343220273. The reversal of 1662343220202 is 2020223432661.

It is not an unprimeable number, because it can be changed into a prime (1662343220201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164105183 + ... + 1164106610.

It is an arithmetic number, because the mean of its divisors is an integer number (125723436876).

Almost surely, 2^{1662343220202} is an apocalyptic number.

1662343220202 is an abundant number, since it is smaller than the sum of its proper divisors (2360806759830).

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

1662343220202 is a wasteful number, since it uses less digits than its factorization.

1662343220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328211822.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 1662343220202 its reverse (2020223432661), we get a palindrome (3682566652863).

The spelling of 1662343220202 in words is "one trillion, six hundred sixty-two billion, three hundred forty-three million, two hundred twenty thousand, two hundred two".