10252521616 has 10 divisors (see below), whose sum is σ = 19864260662. Its totient is φ = 5126260800.

The previous prime is 10252521611. The next prime is 10252521647. The reversal of 10252521616 is 61612525201.

It can be written as a sum of positive squares in only one way, i.e., 7396688016 + 2855833600 = 86004^2 + 53440^2 .

It is a super-2 number, since 2×10252521616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10252521611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320391285 + ... + 320391316.

Almost surely, 2^10252521616 is an apocalyptic number.

10252521616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10252521616 is a deficient number, since it is larger than the sum of its proper divisors (9611739046).

10252521616 is an equidigital number, since it uses as much as digits as its factorization.

10252521616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640782609 (or 640782603 counting only the distinct ones).

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

The spelling of 10252521616 in words is "ten billion, two hundred fifty-two million, five hundred twenty-one thousand, six hundred sixteen".