210533681552 has 10 divisors (see below), whose sum is σ = 407909008038. Its totient is φ = 105266840768.

The previous prime is 210533681549. The next prime is 210533681629. The reversal of 210533681552 is 255186335012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 155854406656 + 54679274896 = 394784^2 + 233836^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579177533 + ... + 6579177564.

Almost surely, 2^210533681552 is an apocalyptic number.

It is an amenable number.

210533681552 is a deficient number, since it is larger than the sum of its proper divisors (197375326486).

210533681552 is a wasteful number, since it uses less digits than its factorization.

210533681552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13158355105 (or 13158355099 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 210533681552 in words is "two hundred ten billion, five hundred thirty-three million, six hundred eighty-one thousand, five hundred fifty-two".