1061641067452 has 96 divisors (see below), whose sum is σ = 2303996921856. Its totient is φ = 417602304000.

The previous prime is 1061641067449. The next prime is 1061641067453. The reversal of 1061641067452 is 2547601461601.

It is a super-2 number, since 2×1061641067452² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061641067399 and 1061641067408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061641067453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51648577 + ... + 51669127.

It is an arithmetic number, because the mean of its divisors is an integer number (23999967936).

Almost surely, 2^{1061641067452} 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 1061641067452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151998460928).

1061641067452 is an abundant number, since it is smaller than the sum of its proper divisors (1242355854404).

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

1061641067452 is a wasteful number, since it uses less digits than its factorization.

1061641067452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23267 (or 23265 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1061641067452 in words is "one trillion, sixty-one billion, six hundred forty-one million, sixty-seven thousand, four hundred fifty-two".