1624023666552 has 128 divisors (see below), whose sum is σ = 4801984012800. Its totient is φ = 447827885568.

The previous prime is 1624023666547. The next prime is 1624023666553. The reversal of 1624023666552 is 2556663204261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1624023666553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12392523 + ... + 12522885.

It is an arithmetic number, because the mean of its divisors is an integer number (37515500100).

Almost surely, 2^{1624023666552} is an apocalyptic number.

1624023666552 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 1624023666552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400992006400).

1624023666552 is an abundant number, since it is smaller than the sum of its proper divisors (3177960346248).

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

1624023666552 is a wasteful number, since it uses less digits than its factorization.

1624023666552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132965 (or 132961 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 1624023666552 in words is "one trillion, six hundred twenty-four billion, twenty-three million, six hundred sixty-six thousand, five hundred fifty-two".