1622415621120 has 528 divisors, whose sum is σ = 6176915319168. Its totient is φ = 362206494720.

The previous prime is 1622415621097. The next prime is 1622415621133. The reversal of 1622415621120 is 211265142261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32338455 + ... + 32388585.

It is an arithmetic number, because the mean of its divisors is an integer number (11698703256).

Almost surely, 2^{1622415621120} is an apocalyptic number.

1622415621120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622415621120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088457659584).

1622415621120 is an abundant number, since it is smaller than the sum of its proper divisors (4554499698048).

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

1622415621120 is a wasteful number, since it uses less digits than its factorization.

1622415621120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50216 (or 50191 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 1622415621120 in words is "one trillion, six hundred twenty-two billion, four hundred fifteen million, six hundred twenty-one thousand, one hundred twenty".