1662536022 has 64 divisors (see below), whose sum is σ = 3913282560. Its totient is φ = 460930176.

The previous prime is 1662536021. The next prime is 1662536087. The reversal of 1662536022 is 2206352661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662536021) 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 31 ways as a sum of consecutive naturals, for example, 680988 + ... + 683424.

It is an arithmetic number, because the mean of its divisors is an integer number (61145040).

Almost surely, 2^1662536022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662536022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1956641280).

1662536022 is an abundant number, since it is smaller than the sum of its proper divisors (2250746538).

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

1662536022 is a wasteful number, since it uses less digits than its factorization.

1662536022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1662536022 is about 40774.2078034632. The cubic root of 1662536022 is about 1184.6508070433.

Adding to 1662536022 its reverse (2206352661), we get a palindrome (3868888683).

The spelling of 1662536022 in words is "one billion, six hundred sixty-two million, five hundred thirty-six thousand, twenty-two".