1634253050256 has 80 divisors (see below), whose sum is σ = 4472734226688. Its totient is φ = 512411904000.

The previous prime is 1634253050207. The next prime is 1634253050263. The reversal of 1634253050256 is 6520503524361.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845481 + ... + 1995831.

Almost surely, 2^{1634253050256} is an apocalyptic number.

1634253050256 is a gapful number since it is divisible by the number (16) 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 1634253050256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2236367113344).

1634253050256 is an abundant number, since it is smaller than the sum of its proper divisors (2838481176432).

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

1634253050256 is a wasteful number, since it uses less digits than its factorization.

1634253050256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152120 (or 1152114 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 1634253050256 in words is "one trillion, six hundred thirty-four billion, two hundred fifty-three million, fifty thousand, two hundred fifty-six".