1612994632832 has 128 divisors (see below), whose sum is σ = 3621835486080. Its totient is φ = 709088256000.

The previous prime is 1612994632831. The next prime is 1612994632871. The reversal of 1612994632832 is 2382364992161.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1612994632831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8607332 + ... + 8792732.

It is an arithmetic number, because the mean of its divisors is an integer number (28295589735).

Almost surely, 2^{1612994632832} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612994632832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810917743040).

1612994632832 is an abundant number, since it is smaller than the sum of its proper divisors (2008840853248).

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

1612994632832 is a wasteful number, since it uses less digits than its factorization.

1612994632832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185630 (or 185618 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The spelling of 1612994632832 in words is "one trillion, six hundred twelve billion, nine hundred ninety-four million, six hundred thirty-two thousand, eight hundred thirty-two".