210061152256 has 104 divisors (see below), whose sum is σ = 445295196360. Its totient is φ = 98738110464.

The previous prime is 210061152253. The next prime is 210061152269. The reversal of 210061152256 is 652251160012.

It can be written as a sum of positive squares in 4 ways, for example, as 27561312256 + 182499840000 = 166016^2 + 427200^2 .

It is a super-4 number, since 4×210061152256⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210061152253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111201360 + ... + 111203248.

Almost surely, 2^210061152256 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 210061152256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222647598180).

210061152256 is an abundant number, since it is smaller than the sum of its proper divisors (235234044104).

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

210061152256 is a wasteful number, since it uses less digits than its factorization.

210061152256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 210061152256 in words is "two hundred ten billion, sixty-one million, one hundred fifty-two thousand, two hundred fifty-six".