1622512326552 has 128 divisors (see below), whose sum is σ = 4607013868800. Its totient is φ = 472053837312.

The previous prime is 1622512326541. The next prime is 1622512326569. The reversal of 1622512326552 is 2556232152261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2838678 + ... + 3362010.

It is an arithmetic number, because the mean of its divisors is an integer number (35992295850).

Almost surely, 2^{1622512326552} is an apocalyptic number.

1622512326552 is a gapful number since it is divisible by the number (12) 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 1622512326552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303506934400).

1622512326552 is an abundant number, since it is smaller than the sum of its proper divisors (2984501542248).

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

1622512326552 is a wasteful number, since it uses less digits than its factorization.

1622512326552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523897 (or 523893 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The spelling of 1622512326552 in words is "one trillion, six hundred twenty-two billion, five hundred twelve million, three hundred twenty-six thousand, five hundred fifty-two".