1642411633236 has 96 divisors (see below), whose sum is σ = 4222158839808. Its totient is φ = 492765068160.

The previous prime is 1642411633229. The next prime is 1642411633267. The reversal of 1642411633236 is 6323361142461.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86556246 + ... + 86575218.

It is an arithmetic number, because the mean of its divisors is an integer number (43980821248).

Almost surely, 2^{1642411633236} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1642411633236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111079419904).

1642411633236 is an abundant number, since it is smaller than the sum of its proper divisors (2579747206572).

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

1642411633236 is a wasteful number, since it uses less digits than its factorization.

1642411633236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25461 (or 25459 counting only the distinct ones).

The product of its digits is 373248, while the sum is 42.

Adding to 1642411633236 its reverse (6323361142461), we get a palindrome (7965772775697).

The spelling of 1642411633236 in words is "one trillion, six hundred forty-two billion, four hundred eleven million, six hundred thirty-three thousand, two hundred thirty-six".