1612245683072 has 64 divisors (see below), whose sum is σ = 3259809297360. Its totient is φ = 794152550400.

The previous prime is 1612245683063. The next prime is 1612245683101. The reversal of 1612245683072 is 2703865422161.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1612245683072² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535322 + ... + 3965222.

Almost surely, 2^{1612245683072} 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 1612245683072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629904648680).

1612245683072 is an abundant number, since it is smaller than the sum of its proper divisors (1647563614288).

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

1612245683072 is an equidigital number, since it uses as much as digits as its factorization.

1612245683072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430351 (or 430339 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 1612245683072 in words is "one trillion, six hundred twelve billion, two hundred forty-five million, six hundred eighty-three thousand, seventy-two".