1625606593920 has 384 divisors, whose sum is σ = 5708522926080. Its totient is φ = 426185625600.

The previous prime is 1625606593859. The next prime is 1625606593937. The reversal of 1625606593920 is 293956065261.

It is a happy number.

1625606593920 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 606 + 5 + 9 + 3 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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, 150082905 + ... + 150093735.

It is an arithmetic number, because the mean of its divisors is an integer number (14865945120).

Almost surely, 2^{1625606593920} is an apocalyptic number.

1625606593920 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 1625606593920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854261463040).

1625606593920 is an abundant number, since it is smaller than the sum of its proper divisors (4082916332160).

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

1625606593920 is a wasteful number, since it uses less digits than its factorization.

1625606593920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294 (or 11279 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 1625606593920 in words is "one trillion, six hundred twenty-five billion, six hundred six million, five hundred ninety-three thousand, nine hundred twenty".