10521604466 has 4 divisors (see below), whose sum is σ = 15782406702. Its totient is φ = 5260802232.

The previous prime is 10521604447. The next prime is 10521604469. The reversal of 10521604466 is 66440612501.

10521604466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66440612501 = 23627 ⋅2812063.

It can be written as a sum of positive squares in only one way, i.e., 5764605625 + 4756998841 = 75925^2 + 68971^2 .

It is a super-2 number, since 2×10521604466² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521604469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630401115 + ... + 2630401118.

Almost surely, 2^10521604466 is an apocalyptic number.

10521604466 is a deficient number, since it is larger than the sum of its proper divisors (5260802236).

10521604466 is an equidigital number, since it uses as much as digits as its factorization.

10521604466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260802235.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 10521604466 in words is "ten billion, five hundred twenty-one million, six hundred four thousand, four hundred sixty-six".