10664637450 has 24 divisors (see below), whose sum is σ = 26448301248. Its totient is φ = 2843903280.

The previous prime is 10664637427. The next prime is 10664637461. The reversal of 10664637450 is 5473646601.

10664637450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10664637450² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 35548642 + ... + 35548941.

It is an arithmetic number, because the mean of its divisors is an integer number (1102012552).

Almost surely, 2^10664637450 is an apocalyptic number.

10664637450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10664637450 is an abundant number, since it is smaller than the sum of its proper divisors (15783663798).

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

10664637450 is a wasteful number, since it uses less digits than its factorization.

10664637450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71097598 (or 71097593 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 10664637450 in words is "ten billion, six hundred sixty-four million, six hundred thirty-seven thousand, four hundred fifty".