1634626623252 has 96 divisors (see below), whose sum is σ = 4441854541824. Its totient is φ = 458226374400.

The previous prime is 1634626623239. The next prime is 1634626623307. The reversal of 1634626623252 is 2523266264361.

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, 473377 + ... + 1869047.

It is an arithmetic number, because the mean of its divisors is an integer number (46269318144).

Almost surely, 2^{1634626623252} is an apocalyptic number.

1634626623252 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 1634626623252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2220927270912).

1634626623252 is an abundant number, since it is smaller than the sum of its proper divisors (2807227918572).

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

1634626623252 is a wasteful number, since it uses less digits than its factorization.

1634626623252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395949 (or 1395947 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The spelling of 1634626623252 in words is "one trillion, six hundred thirty-four billion, six hundred twenty-six million, six hundred twenty-three thousand, two hundred fifty-two".